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<title>DirSet Type</title>
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<body>

<h2 id="dirset">DirSet</h2>
<p>A DirSet is a group of directories. These directories can be found in a directory tree
starting in a base directory and are matched by patterns taken from a number
of <a href="patternset.html">PatternSets</a> and <a href="selectors.html">Selectors</a>.</p>
<p>PatternSets can be specified as nested <code>&lt;patternset&gt;</code> elements. In
addition, DirSet holds an implicit PatternSet and supports the
nested <code>&lt;include&gt;</code>, <code>&lt;includesfile&gt;</code>, <code>&lt;exclude&gt;</code>
and <code>&lt;excludesfile&gt;</code> elements of <code>&lt;patternset&gt;</code> directly,
as well as <code>&lt;patternset&gt;</code>'s attributes.</p>
<p>Selectors are available as nested elements within the DirSet.  If any of the selectors
within the DirSet do not select the directory, it is not considered part of the DirSet. This
makes a DirSet equivalent to an <code>&lt;and&gt;</code> selector container.</p>
<table class="attr">
  <tr>
    <th scope="col">Attribute</th>
    <th scope="col">Description</th>
    <th scope="col">Required</th>
  </tr>
  <tr>
    <td>dir</td>
    <td>The root of the directory tree of this DirSet.</td>
    <td>Yes</td>
  </tr>
  <tr>
    <td>includes</td>
    <td>Comma- or space-separated list of patterns of directories that must be included.</td>
    <td>No; defaults to all directories</td>
  </tr>
  <tr>
    <td>includesfile</td>
    <td>Name of a file; each line of this file is taken to be an include
      pattern. <strong>Note:</strong> if the file is empty and there are no other patterns defined
      for the fileset, all directories will be included.</td>
    <td>No</td>
  </tr>
  <tr>
    <td>excludes</td>
    <td>Comma- or space-separated list of patterns of directories that must be excluded.</td>
    <td>No; defaults to none</td>
  </tr>
  <tr>
    <td>excludesfile</td>
    <td>Name of a file; each line of this file is taken to be an exclude pattern.</td>
    <td>No</td>
  </tr>
  <tr>
    <td>casesensitive</td>
    <td>Specifies whether case-sensitivity should be applied (<q>true</q>, <q>yes</q>, <q>on</q>
      or <q>false</q>, <q>no</q>, <q>off</q>).</td>
    <td>No; defaults to <q>true</q></td>
  </tr>
  <tr>
    <td>followsymlinks</td>
    <td>Shall symbolic links be followed?  See <a href="fileset.html#symlink">fileset's
      documentation</a>.</td>
    <td>No; defaults to <q>true</q></td>
  </tr>
  <tr>
    <td>erroronmissingdir</td>
    <td>Specify what happens if the base directory does not exist.  If <q>true</q> a build error
      will happen, if <q>false</q>, the dirset will be ignored/empty.  <em>Since Apache Ant
      1.7.1</em></td>
    <td>No; defaults to true (for backward compatibility reasons)</td>
  </tr>
</table>

<h4>Examples</h4>

<pre>
&lt;dirset dir=&quot;${build.dir}&quot;&gt;
  &lt;include name=&quot;apps/**/classes&quot;/&gt;
  &lt;exclude name=&quot;apps/**/*Test*&quot;/&gt;
&lt;/dirset&gt;
</pre>
<p>Groups all directories named <samp>classes</samp> found under the <samp>apps</samp> subdirectory
of <samp>${build.dir}</samp>, except those that have the text <samp>Test</samp> in their name.</p>

<pre>
&lt;dirset dir=&quot;${build.dir}&quot;&gt;
  &lt;patternset id=&quot;non.test.classes&quot;&gt;
    &lt;include name=&quot;apps/**/classes&quot;/&gt;
    &lt;exclude name=&quot;apps/**/*Test*&quot;/&gt;
  &lt;/patternset&gt;
&lt;/dirset&gt;
</pre>
<p>Groups the same directories as the above example, but also establishes a PatternSet that can be
referenced in other <code>&lt;dirset&gt;</code> elements, rooted at a different directory.</p>

<pre>
&lt;dirset dir=&quot;${debug_build.dir}&quot;&gt;
  &lt;patternset refid=&quot;non.test.classes&quot;/&gt;
&lt;/dirset&gt;
</pre>
<p>Groups all directories in directory <samp>${debug_build.dir}</samp>, using the same patterns as
the above example.</p>

<pre>
&lt;dirset id=&quot;dirset&quot; dir=&quot;${workingdir}&quot;&gt;
   &lt;present targetdir=&quot;${workingdir}&quot;&gt;
        &lt;mapper type=&quot;glob&quot; from=&quot;*&quot; to=&quot;*/${markerfile}&quot;/&gt;
   &lt;/present&gt;
&lt;/dirset&gt;
</pre>
<p>Selects all directories somewhere under <samp>${workingdir}</samp> which contain
a <samp>${markerfile}</samp>.</p>

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