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<title>Unzip Task</title>
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<h2><a name="unzip">Unjar/Untar/Unwar/Unzip</a></h2>
<h3>Description</h3>
<p>Unzips a zip-, war-, tar- or jarfile.</p>
<p>For JDK 1.1 &quot;last modified time&quot; field is set to current time instead of being
carried from the archive file.</p>
<p><a href="../CoreTypes/patternset.html">PatternSet</a>s are used to select files to extract
<I>from</I> the archive. If no patternset is used, all files are extracted.
</p>
<p><a href="../CoreTypes/fileset.html">FileSet</a>s may be used used to select archived files
to perform unarchival upon.
</p>
<p>File permissions will not be restored on extracted files.</p>
<p>The untar task recognizes the long pathname entries used by GNU tar.<p>
<h3>Parameters</h3>
<table border="1" cellpadding="2" cellspacing="0">
<tr>
<td valign="top"><b>Attribute</b></td>
<td valign="top"><b>Description</b></td>
<td align="center" valign="top"><b>Required</b></td>
</tr>
<tr>
<td valign="top">src</td>
<td valign="top">archive file to expand.</td>
<td align="center" valign="top">Yes, if filesets are not used.</td>
</tr>
<tr>
<td valign="top">dest</td>
<td valign="top">directory where to store the expanded files.</td>
<td align="center" valign="top">Yes</td>
</tr>
<tr>
<td valign="top">overwrite</td>
<td valign="top">Overwrite files, even if they are newer than the
corresponding entries in the archive (true or false, default is
true).</td>
<td align="center" valign="top">No</td>
</tr>
<tr>
<td valign="top">compression</td>
<td valign="top">compression method for untar. Allowable values are
&quot;none&quot;, &quot;gzip&quot; and &quot;bzip2&quot;. Default is
&quot;none&quot;.</td>
<td valign="top" align="center">No</td>
</tr>
</table>
<h3>Examples</h3>
<blockquote>
<p><code>&lt;unzip src=&quot;${tomcat_src}/tools-src.zip&quot; dest=&quot;${tools.home}&quot;
/&gt;</code></p>
</blockquote>
<blockquote>
<p><code>
&lt;gunzip src=&quot;tools.tar.gz&quot;/&gt;<br>
&lt;untar src=&quot;tools.tar&quot; dest=&quot;${tools.home}&quot;/&gt;
</code></p>
</blockquote>
<blockquote>
<p><pre>
&lt;unzip src=&quot;${tomcat_src}/tools-src.zip&quot;
dest=&quot;${tools.home}&quot;&gt;
&lt;patternset&gt;
&lt;include name=&quot;**/*.java&quot;/&gt;
&lt;exclude name=&quot;**/Test*.java&quot;/&gt;
&lt;/patternset&gt;
&lt;/unzip&gt;
</pre></p>
</blockquote>
<blockquote>
<p><pre>
&lt;unzip dest=&quot;${tools.home}&quot;&gt;
&lt;patternset&gt;
&lt;include name=&quot;**/*.java&quot;/&gt;
&lt;exclude name=&quot;**/Test*.java&quot;/&gt;
&lt;/patternset&gt;
&lt;fileset dir=&quot;.&quot;&gt;
&lt;include name=&quot;**/*.zip&quot;/&gt;
&lt;exclude name=&quot;**/tmp*.zip&quot;/&gt;
&lt;/fileset&gt;
&lt;/unzip&gt;
</pre></p>
</blockquote>
<hr>
<p align="center">Copyright &copy; 2000-2002 Apache Software Foundation. All rights
Reserved.</p>
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