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<title>TarFileSet Type</title>
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<h2 id="fileset">TarFileSet</h2>

<p><code>TarFileSet</code> has been a stand-alone type <em>since Apache Ant 1.7</em>.</p>

<p>A <code>&lt;tarfileset&gt;</code> is a special form of
a <code>&lt;<a href="fileset.html">fileset</a>&gt;</code> which can behave in 2 different ways:</p>
<ul>
  <li>When the <var>src</var> attribute is used&mdash;or a nested resource collection has been
  specified, the tarfileset is populated with tar entries found in the file <var>src</var>.</li>
  <li>When the <var>dir</var> attribute is used, the tarfileset is populated with filesystem files
  found under <var>dir</var>.</li>
</ul>
<p><code>&lt;tarfileset&gt;</code> supports all attributes
of <code>&lt;<a href="fileset.html">fileset</a>&gt;</code> in addition to those listed below.  Note
that tar archives in general don't contain entries with leading slashes so you shouldn't use
include/exclude patterns that start with slashes either.</p>
<p><em>Since Ant 1.7</em>, a tarfileset can be defined with the <var>id</var> attribute and referred
to with the <var>refid</var> attribute.</p>
<h3>Parameters</h3>
<table class="attr">
  <tbody>
    <tr>
      <th scope="col">Attribute</th>
      <th scope="col">Description</th>
      <th scope="col">Required</th>
    </tr>
    <tr>
      <td>prefix</td>
      <td>all files in the fileset are prefixed with that path in the archive.</td>
      <td>No</td>
    </tr>
    <tr>
      <td>fullpath</td>
      <td>the file described by the fileset is placed at that exact location in the archive.</td>
      <td>No</td>
    </tr>
    <tr>
      <td>src</td>
      <td>may be used in place of the <var>dir</var> attribute to specify a tar file whose contents
        will be extracted and included in the archive.</td>
      <td>No</td>
    </tr>
    <tr>
      <td>filemode</td>
      <td>A 3 digit octal string, specify the user, group and other modes in the standard Unix
        fashion.  Only applies to plain files.</td>
      <td>No; default is <q>644</q></td>
    </tr>
    <tr>
      <td>dirmode</td>
      <td>A 3 digit octal string, specify the user, group and other modes in the standard Unix
        fashion.  Only applies to directories.</td>
      <td>No; default is <q>755</q></td>
    </tr>
    <tr>
      <td>username</td>
      <td>The username for the tar entry. This is not the same as the UID.</td>
      <td>No</td>
    </tr>
    <tr>
      <td>group</td>
      <td>The groupname for the tar entry. This is not the same as the GID.</td>
      <td>No</td>
    </tr>
    <tr>
      <td>uid</td>
      <td>The user identifier (UID) for the tar entry. This is an integer value and is not the
        same as the username.</td>
      <td>No</td>
    </tr>
    <tr>
      <td>gid</td>
      <td>The group identifier (GID) for the tar entry.</td>
      <td>No</td>
    </tr>
    <tr>
      <td>erroronmissingarchive</td>
      <td>Specify what happens if the archive does not exist.  If <q>true</q>, a build error will
        happen; if <q>false</q>, the fileset will be ignored/empty.  <em>Since Ant 1.8.0</em></td>
      <td>No; defaults to <q>true</q></td>
    </tr>
    <tr>
      <td>encoding</td>
      <td>The character encoding to use for filenames inside the zip file.  For a list of possible
      values see
      the <a href="https://docs.oracle.com/javase/8/docs/technotes/guides/intl/encoding.doc.html"
      target="_top">Supported Encodings</a>.  <em>Since Ant 1.9.5</em></td>
      <td>No; defaults to default JVM character encoding</td>
    </tr>
  </tbody>
</table>
<p>The <var>fullpath</var> attribute can only be set for filesets that represent a single
file. The <var>prefix</var> and <var>fullpath</var> attributes cannot both be set on the same
fileset.</p>
<p>When using the <var>src</var> attribute, <var>include</var> and <var>exclude</var> patterns may
be used to specify a subset of the archive for inclusion in the archive as with the <var>dir</var>
attribute.</p>

<p>Please note that currently only the <a href="../Tasks/tar.html">tar</a> task uses the permission
and ownership attributes.</p>

<h3>Parameters specified as nested elements</h3>

<h4>any <a href="resources.html">resource</a> or single element resource collection</h4>

<p>The specified resource will be used as src.</p>

<h4>Examples</h4>

<pre>
&lt;copy todir="some-dir"&gt;
 &lt;tarfileset includes="lib/**"&gt;
   &lt;bzip2resource&gt;
     &lt;url url="https://example.org/dist/some-archive.tar.bz2"/&gt;
   &lt;/bzip2resource&gt;
 &lt;/tarfileset&gt;
&lt;/copy&gt;</pre>

<p>downloads the archive <samp>some-archive.tar.bz2</samp>, uncompresses and extracts it on the fly,
copies the contents of the <samp>lib</samp> directory into <samp>some-dir</samp> and discards the
rest of the archive.  File timestamps will be compared between the archive's entries and files
inside the target directory, no files get overwritten unless they are out-of-date.</p>

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