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git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@280944 13f79535-47bb-0310-9956-ffa450edef68
170 lines
6.9 KiB
HTML
170 lines
6.9 KiB
HTML
<html>
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<head>
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<meta http-equiv="Content-Language" content="en-us">
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<link rel="stylesheet" type="text/css" href="../stylesheets/style.css">
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<title>Delete Task</title>
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</head>
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<body>
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<h2><a name="delete">Delete</a></h2>
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<h3>Description</h3>
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<p>Deletes a single file, a specified directory and all its files and
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subdirectories, or a set of files specified by one or more
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<a href="../CoreTypes/resources.html#collection">resource collection</a>s.
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The literal implication of <code><fileset></code> is that
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directories are not included; however the removal of empty directories can
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be triggered when using nested filesets by setting the
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<code>includeEmptyDirs</code> attribute to <i>true</i>. Note that this
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attribute is meaningless in the context of any of the various resource
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collection types that <i>do</i> include directories, but that no attempt
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will be made to delete non-empty directories in any case.</p>
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<p>
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If you use this task to delete temporary files created by editors
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and it doesn't seem to work, read up on the
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<a href="../dirtasks.html#defaultexcludes">default exclusion set</a>
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in <strong>Directory-based Tasks</strong>, and see the
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<code>defaultexcludes</code> attribute below.
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<h3>Parameters</h3>
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<table border="1" cellpadding="2" cellspacing="0">
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<tr>
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<td valign="top"><b>Attribute</b></td>
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<td valign="top"><b>Description</b></td>
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<td align="center" valign="top"><b>Required</b></td>
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</tr>
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<tr>
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<td valign="top">file</td>
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<td valign="top">The file to delete, specified as either the simple
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filename (if the file exists in the current base directory), a
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relative-path filename, or a full-path filename.</td>
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<td align="center" valign="middle" rowspan="2">At least one of the two,
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unless nested resource collections are specified
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</tr>
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<tr>
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<td valign="top">dir</td>
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<td valign="top">The directory to delete, including all its files and
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subdirectories.<br>
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<b>Note:</b> <code>dir</code> is <em>not</em> used
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to specify a directory name for <code>file</code>; <code>file</code>
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and <code>dir</code> are independent of each other.<br>
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<b>WARNING:</b> Do <b>not</b> set <code>dir</code> to
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<code>"."</code>, <code>"${basedir}"</code>,
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or the full-pathname equivalent unless you truly <em>intend</em> to
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recursively remove the entire contents of the current base directory
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(and the base directory itself, if different from the current working
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directory).</td>
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</tr>
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<tr>
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<td valign="top">verbose</td>
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<td valign="top">Whether to show the name of each deleted file.</td>
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<td align="center" valign="top">No, default "false"</i></td>
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</tr>
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<tr>
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<td valign="top">quiet</td>
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<td valign="top">If the specified file or directory does not exist,
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do not display a diagnostic message (unless Ant
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has been invoked with the <code>-verbose</code> or
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<code>-debug</code> switches) or modify the exit status to
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reflect an error.
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When set to "true", if a file or directory cannot be deleted,
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no error is reported. This setting emulates the
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<code>-f</code> option to the Unix <em>rm</em> command.
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Setting this to "true" implies setting
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<code>failonerror</code> to "false".
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</td>
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<td align="center" valign="top">No, default "false"</td>
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</tr>
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<tr>
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<td valign="top">failonerror</td>
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<td valign="top">Controls whether an error (such as a failure to
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delete a file) stops the build or is merely reported to the screen.
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Only relevant if <code>quiet</code> is "false".</td>
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<td align="center" valign="top">No, default "true"</td>
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</tr>
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<tr>
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<td valign="top">includeemptydirs</td>
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<td valign="top">Whether to delete empty directories
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when using filesets.</td>
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<td align="center" valign="top">No, default "false"</td>
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</tr>
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<tr>
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<td valign="top">includes</td>
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<td valign="top"><em>Deprecated.</em> Use resource collections.
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Comma- or space-separated list of patterns of
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files that must be deleted. All files are relative to the directory
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specified in <code>dir</code>.</td>
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<td valign="top" align="center">No</td>
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</tr>
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<tr>
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<td valign="top">includesfile</td>
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<td valign="top"><em>Deprecated.</em> Use resource collections.
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The name of a file. Each line of
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this file is taken to be an include pattern.</td>
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<td valign="top" align="center">No</td>
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</tr>
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<tr>
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<td valign="top">excludes</td>
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<td valign="top"><em>Deprecated.</em> Use resource collections.
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Comma- or space-separated list of patterns of
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files that must be excluded from the deletion list.
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All files are relative to the directory specified in <code>dir</code>.
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No files (except default excludes) are excluded when omitted.</td>
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<td valign="top" align="center">No</td>
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</tr>
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<tr>
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<td valign="top">excludesfile</td>
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<td valign="top"><em>Deprecated.</em> Use resource collections.
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The name of a file. Each line of
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this file is taken to be an exclude pattern</td>
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<td valign="top" align="center">No</td>
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</tr>
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<tr>
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<td valign="top">defaultexcludes</td>
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<td valign="top"><em>Deprecated.</em> Use resource collections.
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Whether to use <a href="../dirtasks.html#defaultexcludes">
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default excludes.</a></td>
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<td align="center" valign="top">No, default "true"</td>
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</tr>
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<tr>
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<td valign="top">deleteonexit</td>
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<td valign="top">
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Indicates whether to use File#deleteOnExit() if there is a
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failure to delete a file, this causes the jvm to attempt
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to delete the file when the jvm process is terminating.
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<em>Since Ant 1.6.2</em></td>
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<td align="center" valign="top">No, default "false"</td>
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</tr>
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</table>
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<h3>Examples</h3>
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<pre> <delete file="/lib/ant.jar"/></pre>
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<p>deletes the file <code>/lib/ant.jar</code>.</p>
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<pre> <delete dir="lib"/></pre>
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<p>deletes the <code>lib</code> directory, including all files
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and subdirectories of <code>lib</code>.</p>
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<pre> <delete>
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<fileset dir="." includes="**/*.bak"/>
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</delete>
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</pre>
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<p>deletes all files with the extension <code>.bak</code> from the current directory
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and any subdirectories.</p>
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<pre> <delete includeEmptyDirs="true">
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<fileset dir="build"/>
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</delete>
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</pre>
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<p>deletes all files and subdirectories of <code>build</code>, including
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<code>build</code> itself.</p>
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<pre> <delete includeemptydirs="true">
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<fileset dir="build" includes="**/*"/>
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</delete>
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</pre>
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<p>deletes all files and subdirectories of <code>build</code>, without
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<code>build</code> itself.</p>
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<hr><p align="center">Copyright © 2000-2002, 2004-2005 The Apache Software Foundation.
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All rights Reserved.</p>
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</body>
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</html>
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