Symbian3/SDK/Source/GUID-4C31BFCC-BC2A-55B1-8D3B-3355032E2062.dita
author Dominic Pinkman <dominic.pinkman@nokia.com>
Tue, 20 Jul 2010 12:00:49 +0100
changeset 13 48780e181b38
parent 7 51a74ef9ed63
permissions -rw-r--r--
Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
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<!-- This component and the accompanying materials are made available under the terms of the License 
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"Eclipse Public License v1.0" which accompanies this distribution, 
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
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<!-- Initial Contributors:
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    Nokia Corporation - initial contribution.
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Contributors: 
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-->
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<!DOCTYPE concept
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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<concept id="GUID-4C31BFCC-BC2A-55B1-8D3B-3355032E2062" xml:lang="en"><title>autoload</title><prolog><metadata><keywords/></metadata></prolog><conbody>
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<p><userinput>autoload [ {+|-}UXmt ] [ -wkz ] [ name ... ]</userinput> </p>
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<p>Equivalent to functions <codeph>-u</codeph>, with the exception of <codeph>-X</codeph> /<codeph>+X</codeph>, <codeph>-w</codeph>, <codeph>-k</codeph> and <codeph>-z</codeph>. </p>
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<table id="GUID-9C277500-94BE-5D0D-8F4F-ACBDA3B7FBB6">
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<tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/>
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<tbody>
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<row>
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<entry><p> <codeph>-X</codeph>  </p> </entry>
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<entry><p>Can be used only inside a shell function, and may not be followed
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by a name. It causes the calling function to be marked for autoloading and
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then immediately loaded and executed, with the current array of positional
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parameters as arguments. This replaces the previous definition of the function.
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If no function definition is found, an error is printed and the function remains
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undefined and marked for autoloading. </p> </entry>
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</row>
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<row>
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<entry><p> <codeph>+X</codeph>  </p> </entry>
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<entry><p>Attempts to load each name as an autoloaded function, but does not
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execute it. The exit status is zero (success) if the function was not previously
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defined and a definition for it was found. This does not replace any existing
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definition of the function. The exit status is nonzero (failure) if the function
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was already defined or when no definition was found. In the latter case the
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function remains undefined and marked for autoloading. </p> <p>It can also
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be combined with either <codeph>-k</codeph> or <codeph>-z</codeph> to make
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the function be loaded using <codeph>ksh-style</codeph> or <codeph>zsh-style</codeph> autoloading,
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respectively. If neither is given, the current setting of the <codeph>KSH_AUTOLOAD </codeph> options
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determines how the function is loaded. With <codeph>ksh-style</codeph> autoloading,
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the contents of the file will not be executed immediately. Instead, the function
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created will contain the contents of the file plus a call to the function
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itself appended to it, thus given normal <codeph>ksh</codeph> autoloading
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behaviour on the first call to the function. </p> </entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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<p> <b>Note:</b> The Symbian platform does not support the use
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of <codeph>-w</codeph> option. </p>
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</conbody></concept>