| author | Simon Howkins <simonh@symbian.org> |
| Mon, 05 Oct 2009 10:20:32 +0100 | |
| changeset 578 | 75fa4158340a |
| parent 246 | 4f2482f1dd48 |
| child 1316 | 0b4a09013baf |
| permissions | -rw-r--r-- |
|
246
4f2482f1dd48
Added sorting and removal of duplicates from TSV files.
Simon Howkins <simonh@symbian.org>
parents:
diff
changeset
|
1 |
#!perl -w |
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4f2482f1dd48
Added sorting and removal of duplicates from TSV files.
Simon Howkins <simonh@symbian.org>
parents:
diff
changeset
|
2 |
use strict; |
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4f2482f1dd48
Added sorting and removal of duplicates from TSV files.
Simon Howkins <simonh@symbian.org>
parents:
diff
changeset
|
3 |
# Sorts the input, removes duplicates, and outputs it |
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4f2482f1dd48
Added sorting and removal of duplicates from TSV files.
Simon Howkins <simonh@symbian.org>
parents:
diff
changeset
|
4 |
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4f2482f1dd48
Added sorting and removal of duplicates from TSV files.
Simon Howkins <simonh@symbian.org>
parents:
diff
changeset
|
5 |
# Read it |
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4f2482f1dd48
Added sorting and removal of duplicates from TSV files.
Simon Howkins <simonh@symbian.org>
parents:
diff
changeset
|
6 |
my @content = <>; |
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4f2482f1dd48
Added sorting and removal of duplicates from TSV files.
Simon Howkins <simonh@symbian.org>
parents:
diff
changeset
|
7 |
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4f2482f1dd48
Added sorting and removal of duplicates from TSV files.
Simon Howkins <simonh@symbian.org>
parents:
diff
changeset
|
8 |
# Sort it, and grep to remove duplicates |
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4f2482f1dd48
Added sorting and removal of duplicates from TSV files.
Simon Howkins <simonh@symbian.org>
parents:
diff
changeset
|
9 |
my $previous = "\n\n"; |
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4f2482f1dd48
Added sorting and removal of duplicates from TSV files.
Simon Howkins <simonh@symbian.org>
parents:
diff
changeset
|
10 |
@content = grep {$_ ne $previous && ($previous = $_, 1) } sort @content;
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4f2482f1dd48
Added sorting and removal of duplicates from TSV files.
Simon Howkins <simonh@symbian.org>
parents:
diff
changeset
|
11 |
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4f2482f1dd48
Added sorting and removal of duplicates from TSV files.
Simon Howkins <simonh@symbian.org>
parents:
diff
changeset
|
12 |
# Write it |
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4f2482f1dd48
Added sorting and removal of duplicates from TSV files.
Simon Howkins <simonh@symbian.org>
parents:
diff
changeset
|
13 |
print @content; |