author | Tom Sutcliffe <thomas.sutcliffe@accenture.com> |
Wed, 23 Jun 2010 15:52:26 +0100 | |
changeset 0 | 7f656887cf89 |
permissions | -rw-r--r-- |
0
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
1 |
<html> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
2 |
<head> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
3 |
<title>pcregrep specification</title> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
4 |
</head> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
5 |
<body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB"> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
6 |
<h1>pcregrep man page</h1> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
7 |
<p> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
8 |
Return to the <a href="index.html">PCRE index page</a>. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
9 |
</p> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
10 |
<p> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
11 |
This page is part of the PCRE HTML documentation. It was generated automatically |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
12 |
from the original man page. If there is any nonsense in it, please consult the |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
13 |
man page, in case the conversion went wrong. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
14 |
<br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
15 |
<ul> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
16 |
<li><a name="TOC1" href="#SEC1">SYNOPSIS</a> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
17 |
<li><a name="TOC2" href="#SEC2">DESCRIPTION</a> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
18 |
<li><a name="TOC3" href="#SEC3">SUPPORT FOR COMPRESSED FILES</a> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
19 |
<li><a name="TOC4" href="#SEC4">OPTIONS</a> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
20 |
<li><a name="TOC5" href="#SEC5">ENVIRONMENT VARIABLES</a> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
21 |
<li><a name="TOC6" href="#SEC6">NEWLINES</a> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
22 |
<li><a name="TOC7" href="#SEC7">OPTIONS COMPATIBILITY</a> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
23 |
<li><a name="TOC8" href="#SEC8">OPTIONS WITH DATA</a> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
24 |
<li><a name="TOC9" href="#SEC9">MATCHING ERRORS</a> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
25 |
<li><a name="TOC10" href="#SEC10">DIAGNOSTICS</a> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
26 |
<li><a name="TOC11" href="#SEC11">SEE ALSO</a> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
27 |
<li><a name="TOC12" href="#SEC12">AUTHOR</a> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
28 |
<li><a name="TOC13" href="#SEC13">REVISION</a> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
29 |
</ul> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
30 |
<br><a name="SEC1" href="#TOC1">SYNOPSIS</a><br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
31 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
32 |
<b>pcregrep [options] [long options] [pattern] [path1 path2 ...]</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
33 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
34 |
<br><a name="SEC2" href="#TOC1">DESCRIPTION</a><br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
35 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
36 |
<b>pcregrep</b> searches files for character patterns, in the same way as other |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
37 |
grep commands do, but it uses the PCRE regular expression library to support |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
38 |
patterns that are compatible with the regular expressions of Perl 5. See |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
39 |
<a href="pcrepattern.html"><b>pcrepattern</b>(3)</a> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
40 |
for a full description of syntax and semantics of the regular expressions |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
41 |
that PCRE supports. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
42 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
43 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
44 |
Patterns, whether supplied on the command line or in a separate file, are given |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
45 |
without delimiters. For example: |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
46 |
<pre> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
47 |
pcregrep Thursday /etc/motd |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
48 |
</pre> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
49 |
If you attempt to use delimiters (for example, by surrounding a pattern with |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
50 |
slashes, as is common in Perl scripts), they are interpreted as part of the |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
51 |
pattern. Quotes can of course be used to delimit patterns on the command line |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
52 |
because they are interpreted by the shell, and indeed they are required if a |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
53 |
pattern contains white space or shell metacharacters. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
54 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
55 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
56 |
The first argument that follows any option settings is treated as the single |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
57 |
pattern to be matched when neither <b>-e</b> nor <b>-f</b> is present. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
58 |
Conversely, when one or both of these options are used to specify patterns, all |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
59 |
arguments are treated as path names. At least one of <b>-e</b>, <b>-f</b>, or an |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
60 |
argument pattern must be provided. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
61 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
62 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
63 |
If no files are specified, <b>pcregrep</b> reads the standard input. The |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
64 |
standard input can also be referenced by a name consisting of a single hyphen. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
65 |
For example: |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
66 |
<pre> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
67 |
pcregrep some-pattern /file1 - /file3 |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
68 |
</pre> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
69 |
By default, each line that matches a pattern is copied to the standard |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
70 |
output, and if there is more than one file, the file name is output at the |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
71 |
start of each line, followed by a colon. However, there are options that can |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
72 |
change how <b>pcregrep</b> behaves. In particular, the <b>-M</b> option makes it |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
73 |
possible to search for patterns that span line boundaries. What defines a line |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
74 |
boundary is controlled by the <b>-N</b> (<b>--newline</b>) option. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
75 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
76 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
77 |
Patterns are limited to 8K or BUFSIZ characters, whichever is the greater. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
78 |
BUFSIZ is defined in <b><stdio.h></b>. When there is more than one pattern |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
79 |
(specified by the use of <b>-e</b> and/or <b>-f</b>), each pattern is applied to |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
80 |
each line in the order in which they are defined, except that all the <b>-e</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
81 |
patterns are tried before the <b>-f</b> patterns. As soon as one pattern matches |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
82 |
(or fails to match when <b>-v</b> is used), no further patterns are considered. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
83 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
84 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
85 |
When <b>--only-matching</b>, <b>--file-offsets</b>, or <b>--line-offsets</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
86 |
is used, the output is the part of the line that matched (either shown |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
87 |
literally, or as an offset). In this case, scanning resumes immediately |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
88 |
following the match, so that further matches on the same line can be found. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
89 |
If there are multiple patterns, they are all tried on the remainder of the |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
90 |
line. However, patterns that follow the one that matched are not tried on the |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
91 |
earlier part of the line. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
92 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
93 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
94 |
If the <b>LC_ALL</b> or <b>LC_CTYPE</b> environment variable is set, |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
95 |
<b>pcregrep</b> uses the value to set a locale when calling the PCRE library. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
96 |
The <b>--locale</b> option can be used to override this. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
97 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
98 |
<br><a name="SEC3" href="#TOC1">SUPPORT FOR COMPRESSED FILES</a><br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
99 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
100 |
It is possible to compile <b>pcregrep</b> so that it uses <b>libz</b> or |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
101 |
<b>libbz2</b> to read files whose names end in <b>.gz</b> or <b>.bz2</b>, |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
102 |
respectively. You can find out whether your binary has support for one or both |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
103 |
of these file types by running it with the <b>--help</b> option. If the |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
104 |
appropriate support is not present, files are treated as plain text. The |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
105 |
standard input is always so treated. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
106 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
107 |
<br><a name="SEC4" href="#TOC1">OPTIONS</a><br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
108 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
109 |
<b>--</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
110 |
This terminate the list of options. It is useful if the next item on the |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
111 |
command line starts with a hyphen but is not an option. This allows for the |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
112 |
processing of patterns and filenames that start with hyphens. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
113 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
114 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
115 |
<b>-A</b> <i>number</i>, <b>--after-context=</b><i>number</i> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
116 |
Output <i>number</i> lines of context after each matching line. If filenames |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
117 |
and/or line numbers are being output, a hyphen separator is used instead of a |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
118 |
colon for the context lines. A line containing "--" is output between each |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
119 |
group of lines, unless they are in fact contiguous in the input file. The value |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
120 |
of <i>number</i> is expected to be relatively small. However, <b>pcregrep</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
121 |
guarantees to have up to 8K of following text available for context output. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
122 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
123 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
124 |
<b>-B</b> <i>number</i>, <b>--before-context=</b><i>number</i> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
125 |
Output <i>number</i> lines of context before each matching line. If filenames |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
126 |
and/or line numbers are being output, a hyphen separator is used instead of a |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
127 |
colon for the context lines. A line containing "--" is output between each |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
128 |
group of lines, unless they are in fact contiguous in the input file. The value |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
129 |
of <i>number</i> is expected to be relatively small. However, <b>pcregrep</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
130 |
guarantees to have up to 8K of preceding text available for context output. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
131 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
132 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
133 |
<b>-C</b> <i>number</i>, <b>--context=</b><i>number</i> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
134 |
Output <i>number</i> lines of context both before and after each matching line. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
135 |
This is equivalent to setting both <b>-A</b> and <b>-B</b> to the same value. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
136 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
137 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
138 |
<b>-c</b>, <b>--count</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
139 |
Do not output individual lines; instead just output a count of the number of |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
140 |
lines that would otherwise have been output. If several files are given, a |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
141 |
count is output for each of them. In this mode, the <b>-A</b>, <b>-B</b>, and |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
142 |
<b>-C</b> options are ignored. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
143 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
144 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
145 |
<b>--colour</b>, <b>--color</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
146 |
If this option is given without any data, it is equivalent to "--colour=auto". |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
147 |
If data is required, it must be given in the same shell item, separated by an |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
148 |
equals sign. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
149 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
150 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
151 |
<b>--colour=</b><i>value</i>, <b>--color=</b><i>value</i> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
152 |
This option specifies under what circumstances the part of a line that matched |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
153 |
a pattern should be coloured in the output. The value may be "never" (the |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
154 |
default), "always", or "auto". In the latter case, colouring happens only if |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
155 |
the standard output is connected to a terminal. The colour can be specified by |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
156 |
setting the environment variable PCREGREP_COLOUR or PCREGREP_COLOR. The value |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
157 |
of this variable should be a string of two numbers, separated by a semicolon. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
158 |
They are copied directly into the control string for setting colour on a |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
159 |
terminal, so it is your responsibility to ensure that they make sense. If |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
160 |
neither of the environment variables is set, the default is "1;31", which gives |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
161 |
red. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
162 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
163 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
164 |
<b>-D</b> <i>action</i>, <b>--devices=</b><i>action</i> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
165 |
If an input path is not a regular file or a directory, "action" specifies how |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
166 |
it is to be processed. Valid values are "read" (the default) or "skip" |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
167 |
(silently skip the path). |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
168 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
169 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
170 |
<b>-d</b> <i>action</i>, <b>--directories=</b><i>action</i> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
171 |
If an input path is a directory, "action" specifies how it is to be processed. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
172 |
Valid values are "read" (the default), "recurse" (equivalent to the <b>-r</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
173 |
option), or "skip" (silently skip the path). In the default case, directories |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
174 |
are read as if they were ordinary files. In some operating systems the effect |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
175 |
of reading a directory like this is an immediate end-of-file. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
176 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
177 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
178 |
<b>-e</b> <i>pattern</i>, <b>--regex=</b><i>pattern</i>, <b>--regexp=</b><i>pattern</i> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
179 |
Specify a pattern to be matched. This option can be used multiple times in |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
180 |
order to specify several patterns. It can also be used as a way of specifying a |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
181 |
single pattern that starts with a hyphen. When <b>-e</b> is used, no argument |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
182 |
pattern is taken from the command line; all arguments are treated as file |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
183 |
names. There is an overall maximum of 100 patterns. They are applied to each |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
184 |
line in the order in which they are defined until one matches (or fails to |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
185 |
match if <b>-v</b> is used). If <b>-f</b> is used with <b>-e</b>, the command line |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
186 |
patterns are matched first, followed by the patterns from the file, independent |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
187 |
of the order in which these options are specified. Note that multiple use of |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
188 |
<b>-e</b> is not the same as a single pattern with alternatives. For example, |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
189 |
X|Y finds the first character in a line that is X or Y, whereas if the two |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
190 |
patterns are given separately, <b>pcregrep</b> finds X if it is present, even if |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
191 |
it follows Y in the line. It finds Y only if there is no X in the line. This |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
192 |
really matters only if you are using <b>-o</b> to show the part(s) of the line |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
193 |
that matched. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
194 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
195 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
196 |
<b>--exclude</b>=<i>pattern</i> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
197 |
When <b>pcregrep</b> is searching the files in a directory as a consequence of |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
198 |
the <b>-r</b> (recursive search) option, any regular files whose names match the |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
199 |
pattern are excluded. Subdirectories are not excluded by this option; they are |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
200 |
searched recursively, subject to the <b>--exclude_dir</b> and |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
201 |
<b>--include_dir</b> options. The pattern is a PCRE regular expression, and is |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
202 |
matched against the final component of the file name (not the entire path). If |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
203 |
a file name matches both <b>--include</b> and <b>--exclude</b>, it is excluded. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
204 |
There is no short form for this option. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
205 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
206 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
207 |
<b>--exclude_dir</b>=<i>pattern</i> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
208 |
When <b>pcregrep</b> is searching the contents of a directory as a consequence |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
209 |
of the <b>-r</b> (recursive search) option, any subdirectories whose names match |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
210 |
the pattern are excluded. (Note that the \fP--exclude\fP option does not affect |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
211 |
subdirectories.) The pattern is a PCRE regular expression, and is matched |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
212 |
against the final component of the name (not the entire path). If a |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
213 |
subdirectory name matches both <b>--include_dir</b> and <b>--exclude_dir</b>, it |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
214 |
is excluded. There is no short form for this option. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
215 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
216 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
217 |
<b>-F</b>, <b>--fixed-strings</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
218 |
Interpret each pattern as a list of fixed strings, separated by newlines, |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
219 |
instead of as a regular expression. The <b>-w</b> (match as a word) and <b>-x</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
220 |
(match whole line) options can be used with <b>-F</b>. They apply to each of the |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
221 |
fixed strings. A line is selected if any of the fixed strings are found in it |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
222 |
(subject to <b>-w</b> or <b>-x</b>, if present). |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
223 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
224 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
225 |
<b>-f</b> <i>filename</i>, <b>--file=</b><i>filename</i> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
226 |
Read a number of patterns from the file, one per line, and match them against |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
227 |
each line of input. A data line is output if any of the patterns match it. The |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
228 |
filename can be given as "-" to refer to the standard input. When <b>-f</b> is |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
229 |
used, patterns specified on the command line using <b>-e</b> may also be |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
230 |
present; they are tested before the file's patterns. However, no other pattern |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
231 |
is taken from the command line; all arguments are treated as file names. There |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
232 |
is an overall maximum of 100 patterns. Trailing white space is removed from |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
233 |
each line, and blank lines are ignored. An empty file contains no patterns and |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
234 |
therefore matches nothing. See also the comments about multiple patterns versus |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
235 |
a single pattern with alternatives in the description of <b>-e</b> above. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
236 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
237 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
238 |
<b>--file-offsets</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
239 |
Instead of showing lines or parts of lines that match, show each match as an |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
240 |
offset from the start of the file and a length, separated by a comma. In this |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
241 |
mode, no context is shown. That is, the <b>-A</b>, <b>-B</b>, and <b>-C</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
242 |
options are ignored. If there is more than one match in a line, each of them is |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
243 |
shown separately. This option is mutually exclusive with <b>--line-offsets</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
244 |
and <b>--only-matching</b>. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
245 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
246 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
247 |
<b>-H</b>, <b>--with-filename</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
248 |
Force the inclusion of the filename at the start of output lines when searching |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
249 |
a single file. By default, the filename is not shown in this case. For matching |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
250 |
lines, the filename is followed by a colon and a space; for context lines, a |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
251 |
hyphen separator is used. If a line number is also being output, it follows the |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
252 |
file name without a space. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
253 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
254 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
255 |
<b>-h</b>, <b>--no-filename</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
256 |
Suppress the output filenames when searching multiple files. By default, |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
257 |
filenames are shown when multiple files are searched. For matching lines, the |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
258 |
filename is followed by a colon and a space; for context lines, a hyphen |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
259 |
separator is used. If a line number is also being output, it follows the file |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
260 |
name without a space. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
261 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
262 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
263 |
<b>--help</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
264 |
Output a help message, giving brief details of the command options and file |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
265 |
type support, and then exit. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
266 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
267 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
268 |
<b>-i</b>, <b>--ignore-case</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
269 |
Ignore upper/lower case distinctions during comparisons. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
270 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
271 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
272 |
<b>--include</b>=<i>pattern</i> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
273 |
When <b>pcregrep</b> is searching the files in a directory as a consequence of |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
274 |
the <b>-r</b> (recursive search) option, only those regular files whose names |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
275 |
match the pattern are included. Subdirectories are always included and searched |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
276 |
recursively, subject to the \fP--include_dir\fP and <b>--exclude_dir</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
277 |
options. The pattern is a PCRE regular expression, and is matched against the |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
278 |
final component of the file name (not the entire path). If a file name matches |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
279 |
both <b>--include</b> and <b>--exclude</b>, it is excluded. There is no short |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
280 |
form for this option. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
281 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
282 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
283 |
<b>--include_dir</b>=<i>pattern</i> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
284 |
When <b>pcregrep</b> is searching the contents of a directory as a consequence |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
285 |
of the <b>-r</b> (recursive search) option, only those subdirectories whose |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
286 |
names match the pattern are included. (Note that the <b>--include</b> option |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
287 |
does not affect subdirectories.) The pattern is a PCRE regular expression, and |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
288 |
is matched against the final component of the name (not the entire path). If a |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
289 |
subdirectory name matches both <b>--include_dir</b> and <b>--exclude_dir</b>, it |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
290 |
is excluded. There is no short form for this option. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
291 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
292 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
293 |
<b>-L</b>, <b>--files-without-match</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
294 |
Instead of outputting lines from the files, just output the names of the files |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
295 |
that do not contain any lines that would have been output. Each file name is |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
296 |
output once, on a separate line. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
297 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
298 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
299 |
<b>-l</b>, <b>--files-with-matches</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
300 |
Instead of outputting lines from the files, just output the names of the files |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
301 |
containing lines that would have been output. Each file name is output |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
302 |
once, on a separate line. Searching stops as soon as a matching line is found |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
303 |
in a file. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
304 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
305 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
306 |
<b>--label</b>=<i>name</i> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
307 |
This option supplies a name to be used for the standard input when file names |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
308 |
are being output. If not supplied, "(standard input)" is used. There is no |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
309 |
short form for this option. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
310 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
311 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
312 |
<b>--line-offsets</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
313 |
Instead of showing lines or parts of lines that match, show each match as a |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
314 |
line number, the offset from the start of the line, and a length. The line |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
315 |
number is terminated by a colon (as usual; see the <b>-n</b> option), and the |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
316 |
offset and length are separated by a comma. In this mode, no context is shown. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
317 |
That is, the <b>-A</b>, <b>-B</b>, and <b>-C</b> options are ignored. If there is |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
318 |
more than one match in a line, each of them is shown separately. This option is |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
319 |
mutually exclusive with <b>--file-offsets</b> and <b>--only-matching</b>. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
320 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
321 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
322 |
<b>--locale</b>=<i>locale-name</i> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
323 |
This option specifies a locale to be used for pattern matching. It overrides |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
324 |
the value in the <b>LC_ALL</b> or <b>LC_CTYPE</b> environment variables. If no |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
325 |
locale is specified, the PCRE library's default (usually the "C" locale) is |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
326 |
used. There is no short form for this option. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
327 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
328 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
329 |
<b>-M</b>, <b>--multiline</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
330 |
Allow patterns to match more than one line. When this option is given, patterns |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
331 |
may usefully contain literal newline characters and internal occurrences of ^ |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
332 |
and $ characters. The output for any one match may consist of more than one |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
333 |
line. When this option is set, the PCRE library is called in "multiline" mode. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
334 |
There is a limit to the number of lines that can be matched, imposed by the way |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
335 |
that <b>pcregrep</b> buffers the input file as it scans it. However, |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
336 |
<b>pcregrep</b> ensures that at least 8K characters or the rest of the document |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
337 |
(whichever is the shorter) are available for forward matching, and similarly |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
338 |
the previous 8K characters (or all the previous characters, if fewer than 8K) |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
339 |
are guaranteed to be available for lookbehind assertions. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
340 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
341 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
342 |
<b>-N</b> <i>newline-type</i>, <b>--newline=</b><i>newline-type</i> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
343 |
The PCRE library supports five different conventions for indicating |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
344 |
the ends of lines. They are the single-character sequences CR (carriage return) |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
345 |
and LF (linefeed), the two-character sequence CRLF, an "anycrlf" convention, |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
346 |
which recognizes any of the preceding three types, and an "any" convention, in |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
347 |
which any Unicode line ending sequence is assumed to end a line. The Unicode |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
348 |
sequences are the three just mentioned, plus VT (vertical tab, U+000B), FF |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
349 |
(formfeed, U+000C), NEL (next line, U+0085), LS (line separator, U+2028), and |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
350 |
PS (paragraph separator, U+2029). |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
351 |
<br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
352 |
<br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
353 |
When the PCRE library is built, a default line-ending sequence is specified. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
354 |
This is normally the standard sequence for the operating system. Unless |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
355 |
otherwise specified by this option, <b>pcregrep</b> uses the library's default. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
356 |
The possible values for this option are CR, LF, CRLF, ANYCRLF, or ANY. This |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
357 |
makes it possible to use <b>pcregrep</b> on files that have come from other |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
358 |
environments without having to modify their line endings. If the data that is |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
359 |
being scanned does not agree with the convention set by this option, |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
360 |
<b>pcregrep</b> may behave in strange ways. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
361 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
362 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
363 |
<b>-n</b>, <b>--line-number</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
364 |
Precede each output line by its line number in the file, followed by a colon |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
365 |
and a space for matching lines or a hyphen and a space for context lines. If |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
366 |
the filename is also being output, it precedes the line number. This option is |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
367 |
forced if <b>--line-offsets</b> is used. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
368 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
369 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
370 |
<b>-o</b>, <b>--only-matching</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
371 |
Show only the part of the line that matched a pattern. In this mode, no |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
372 |
context is shown. That is, the <b>-A</b>, <b>-B</b>, and <b>-C</b> options are |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
373 |
ignored. If there is more than one match in a line, each of them is shown |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
374 |
separately. If <b>-o</b> is combined with <b>-v</b> (invert the sense of the |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
375 |
match to find non-matching lines), no output is generated, but the return code |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
376 |
is set appropriately. This option is mutually exclusive with |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
377 |
<b>--file-offsets</b> and <b>--line-offsets</b>. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
378 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
379 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
380 |
<b>-q</b>, <b>--quiet</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
381 |
Work quietly, that is, display nothing except error messages. The exit |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
382 |
status indicates whether or not any matches were found. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
383 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
384 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
385 |
<b>-r</b>, <b>--recursive</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
386 |
If any given path is a directory, recursively scan the files it contains, |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
387 |
taking note of any <b>--include</b> and <b>--exclude</b> settings. By default, a |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
388 |
directory is read as a normal file; in some operating systems this gives an |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
389 |
immediate end-of-file. This option is a shorthand for setting the <b>-d</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
390 |
option to "recurse". |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
391 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
392 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
393 |
<b>-s</b>, <b>--no-messages</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
394 |
Suppress error messages about non-existent or unreadable files. Such files are |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
395 |
quietly skipped. However, the return code is still 2, even if matches were |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
396 |
found in other files. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
397 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
398 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
399 |
<b>-u</b>, <b>--utf-8</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
400 |
Operate in UTF-8 mode. This option is available only if PCRE has been compiled |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
401 |
with UTF-8 support. Both patterns and subject lines must be valid strings of |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
402 |
UTF-8 characters. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
403 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
404 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
405 |
<b>-V</b>, <b>--version</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
406 |
Write the version numbers of <b>pcregrep</b> and the PCRE library that is being |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
407 |
used to the standard error stream. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
408 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
409 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
410 |
<b>-v</b>, <b>--invert-match</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
411 |
Invert the sense of the match, so that lines which do <i>not</i> match any of |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
412 |
the patterns are the ones that are found. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
413 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
414 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
415 |
<b>-w</b>, <b>--word-regex</b>, <b>--word-regexp</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
416 |
Force the patterns to match only whole words. This is equivalent to having \b |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
417 |
at the start and end of the pattern. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
418 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
419 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
420 |
<b>-x</b>, <b>--line-regex</b>, <b>--line-regexp</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
421 |
Force the patterns to be anchored (each must start matching at the beginning of |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
422 |
a line) and in addition, require them to match entire lines. This is |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
423 |
equivalent to having ^ and $ characters at the start and end of each |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
424 |
alternative branch in every pattern. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
425 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
426 |
<br><a name="SEC5" href="#TOC1">ENVIRONMENT VARIABLES</a><br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
427 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
428 |
The environment variables <b>LC_ALL</b> and <b>LC_CTYPE</b> are examined, in that |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
429 |
order, for a locale. The first one that is set is used. This can be overridden |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
430 |
by the <b>--locale</b> option. If no locale is set, the PCRE library's default |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
431 |
(usually the "C" locale) is used. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
432 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
433 |
<br><a name="SEC6" href="#TOC1">NEWLINES</a><br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
434 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
435 |
The <b>-N</b> (<b>--newline</b>) option allows <b>pcregrep</b> to scan files with |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
436 |
different newline conventions from the default. However, the setting of this |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
437 |
option does not affect the way in which <b>pcregrep</b> writes information to |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
438 |
the standard error and output streams. It uses the string "\n" in C |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
439 |
<b>printf()</b> calls to indicate newlines, relying on the C I/O library to |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
440 |
convert this to an appropriate sequence if the output is sent to a file. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
441 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
442 |
<br><a name="SEC7" href="#TOC1">OPTIONS COMPATIBILITY</a><br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
443 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
444 |
The majority of short and long forms of <b>pcregrep</b>'s options are the same |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
445 |
as in the GNU <b>grep</b> program. Any long option of the form |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
446 |
<b>--xxx-regexp</b> (GNU terminology) is also available as <b>--xxx-regex</b> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
447 |
(PCRE terminology). However, the <b>--locale</b>, <b>-M</b>, <b>--multiline</b>, |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
448 |
<b>-u</b>, and <b>--utf-8</b> options are specific to <b>pcregrep</b>. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
449 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
450 |
<br><a name="SEC8" href="#TOC1">OPTIONS WITH DATA</a><br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
451 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
452 |
There are four different ways in which an option with data can be specified. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
453 |
If a short form option is used, the data may follow immediately, or in the next |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
454 |
command line item. For example: |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
455 |
<pre> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
456 |
-f/some/file |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
457 |
-f /some/file |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
458 |
</pre> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
459 |
If a long form option is used, the data may appear in the same command line |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
460 |
item, separated by an equals character, or (with one exception) it may appear |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
461 |
in the next command line item. For example: |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
462 |
<pre> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
463 |
--file=/some/file |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
464 |
--file /some/file |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
465 |
</pre> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
466 |
Note, however, that if you want to supply a file name beginning with ~ as data |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
467 |
in a shell command, and have the shell expand ~ to a home directory, you must |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
468 |
separate the file name from the option, because the shell does not treat ~ |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
469 |
specially unless it is at the start of an item. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
470 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
471 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
472 |
The exception to the above is the <b>--colour</b> (or <b>--color</b>) option, |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
473 |
for which the data is optional. If this option does have data, it must be given |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
474 |
in the first form, using an equals character. Otherwise it will be assumed that |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
475 |
it has no data. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
476 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
477 |
<br><a name="SEC9" href="#TOC1">MATCHING ERRORS</a><br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
478 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
479 |
It is possible to supply a regular expression that takes a very long time to |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
480 |
fail to match certain lines. Such patterns normally involve nested indefinite |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
481 |
repeats, for example: (a+)*\d when matched against a line of a's with no final |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
482 |
digit. The PCRE matching function has a resource limit that causes it to abort |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
483 |
in these circumstances. If this happens, <b>pcregrep</b> outputs an error |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
484 |
message and the line that caused the problem to the standard error stream. If |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
485 |
there are more than 20 such errors, <b>pcregrep</b> gives up. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
486 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
487 |
<br><a name="SEC10" href="#TOC1">DIAGNOSTICS</a><br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
488 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
489 |
Exit status is 0 if any matches were found, 1 if no matches were found, and 2 |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
490 |
for syntax errors and non-existent or inacessible files (even if matches were |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
491 |
found in other files) or too many matching errors. Using the <b>-s</b> option to |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
492 |
suppress error messages about inaccessble files does not affect the return |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
493 |
code. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
494 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
495 |
<br><a name="SEC11" href="#TOC1">SEE ALSO</a><br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
496 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
497 |
<b>pcrepattern</b>(3), <b>pcretest</b>(1). |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
498 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
499 |
<br><a name="SEC12" href="#TOC1">AUTHOR</a><br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
500 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
501 |
Philip Hazel |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
502 |
<br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
503 |
University Computing Service |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
504 |
<br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
505 |
Cambridge CB2 3QH, England. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
506 |
<br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
507 |
</P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
508 |
<br><a name="SEC13" href="#TOC1">REVISION</a><br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
509 |
<P> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
510 |
Last updated: 08 March 2008 |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
511 |
<br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
512 |
Copyright © 1997-2008 University of Cambridge. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
513 |
<br> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
514 |
<p> |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
515 |
Return to the <a href="index.html">PCRE index page</a>. |
7f656887cf89
First submission to Symbian Foundation staging server.
Tom Sutcliffe <thomas.sutcliffe@accenture.com>
parents:
diff
changeset
|
516 |
</p> |