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<meta http-equiv="Content-Language" content="en-us">
<link rel="stylesheet" type="text/css" href="../stylesheets/style.css">
<title>GZip/BZip2/XZ Tasks</title>
</head>

<body>

<h2 id="pack">GZip/BZip2/XZ</h2>
<h3>Description</h3>
<p>Packs a resource using the GZip, BZip2 or XZ algorithm.
The output file is only generated if it doesn't exist or the source
resource is newer.</p>

<p>XZ compression support has been added with Apache Ant 1.10.1 and
depends on external libraries not included in the Ant distribution.
See <a href="../install.html#librarydependencies">Library
Dependencies</a> for more information.</p>

<h3>Parameters</h3>
<table>
  <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">the file to gzip/bzip/xz.</td>
    <td align="center" valign="top">Yes, or a nested resource collection.</td>
  </tr>
  <tr>
    <td valign="top">destfile</td>
    <td valign="top">the destination file to create.</td>
    <td align="center" valign="top" rowspan="2">Exactly one of the two</td>
  </tr>
  <tr>
    <td valign="top">zipfile</td>
    <td valign="top">the <i>deprecated</i> old name of destfile.</td>
  </tr>
</table>
<h4>any <a href="../Types/resources.html">resource</a> or single element
resource collection</h4>

<p>The specified resource will be used as src. <em>Since Apache Ant 1.7</em></p>

<h3>Examples</h3>
<blockquote><pre>
&lt;gzip src=&quot;test.tar&quot; destfile=&quot;test.tar.gz&quot;/&gt;
</pre></blockquote>
<blockquote><pre>
&lt;bzip2 src=&quot;test.tar&quot; destfile=&quot;test.tar.bz2&quot;/&gt;
</pre></blockquote>
<blockquote><pre>
&lt;xz src=&quot;test.tar&quot; destfile=&quot;test.tar.xz&quot;/&gt;
</pre></blockquote>
<blockquote><pre>
&lt;gzip destfile=&quot;archive.tar.gz&quot;&gt;
  &lt;url url="http://example.org/archive.tar"/&gt;
&lt;/gzip&gt;
</pre></blockquote>
<p>downloads <i>http://example.org/archive.tar</i> and compresses it
to <i>archive.tar.gz</i> in the project's basedir on the fly.</p>

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