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<html>
<head>
<meta http-equiv="Content-Language" content="en-us">
<link rel="stylesheet" type="text/css" href="../stylesheets/style.css">
<title>Apache Ant User Manual</title>
</head>
<body>
<h2><a name="attrib">Attrib</a></h2>
<p><em>Since Apache Ant 1.6.</em></p>
<h3>Description</h3>
<p>Changes the attributes of a file or all files inside specified
directories. Right now it has effect only under Windows. Each of the
4 possible permissions has its own attribute, matching the arguments
for the attrib command.</p>
<p><a href="../Types/fileset.html">FileSet</a>s,
<a href="../Types/dirset.html">DirSet</a>s or <a
href="../Types/filelist.html">FileList</a>s can be specified using
nested <code><fileset></code>, <code><dirset></code> and
<code><filelist></code> elements.</p>
<p>Starting with Ant 1.7, this task supports arbitrary <a
href="../Types/resources.html#collection">Resource Collection</a>s
as nested elements.</p>
<!--p>By default this task will use a single invocation of the underlying
attrib command. If you are working on a large number of files this
may result in a command line that is too long for your operating
system. If you encounter such problems, you should set the
maxparallel attribute of this task to a non-zero value. The number to
use highly depends on the length of your file names (the depth of your
directory tree), so you'll have to experiment a little.</p-->
<p>By default this task won't do anything unless it detects it is
running on a Windows system. If you know for sure that you have a
"attrib" executable on your PATH that is command line compatible with
the Windows command, you can use the task's os attribute and set its
value to your current os.</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">file</td>
<td valign="top">the file or directory of which the permissions must be
changed.</td>
<td valign="top" valign="middle">Yes or nested
<code><fileset/list></code> elements.</td>
</tr>
<tr>
<td valign="top">readonly</td>
<td valign="top">the readonly permission.</td>
<td valign="top" rowspan="4">at least one of the four. </td>
</tr>
<tr>
<td valign="top">archive</td>
<td valign="top">the archive permission.</td>
</tr>
<tr>
<td valign="top">system</td>
<td valign="top">the system permission.</td>
</tr>
<tr>
<td valign="top">hidden</td>
<td valign="top">the hidden permission.</td>
</tr>
<tr>
<td valign="top">type</td>
<td valign="top">One of <i>file</i>, <i>dir</i> or <i>both</i>. If set to
<i>file</i>, only the permissions of plain files are going to be changed.
If set to <i>dir</i>, only the directories are considered.<br>
<strong>Note:</strong> The type attribute does not apply to
nested <i>dirset</i>s - <i>dirset</i>s always implicitly
assume type to be <i>dir</i>.</td>
<td align="center" valign="top">No, default is <i>file</i></td>
</tr>
<tr>
<td valign="top">verbose</td>
<td valign="top">Whether to print a summary after execution or not.
Defaults to <code>false</code>.</td>
<td align="center" valign="top">No</td>
</tr>
<!--tr>
<td valign="top">parallel</td>
<td valign="top">process all specified files using a single
<code>chmod</code> command. Defaults to true.</td>
<td valign="top" align="center">No</td>
</tr>
<tr>
<td valign="top">maxparallel</td>
<td valign="top">Limit the amount of parallelism by passing at
most this many sourcefiles at once. Set it to <= 0 for
unlimited. Defaults to unlimited. <em>Since Ant 1.6.</em></td>
<td align="center" valign="top">No</td>
</tr-->
<tr>
<td valign="top">os</td>
<td valign="top">list of Operating Systems on which the command may be
executed.</td>
<td align="center" valign="top">No</td>
</tr>
<tr>
<td valign="top">osfamily</td>
<td valign="top">OS family as used in
the <a href="../Tasks/conditions.html#os"><os></a>
condition.</td>
<td align="center" valign="top">No - defaults to "windows"</td>
</tr>
</table>
<h3>Examples</h3>
<blockquote>
<pre><attrib file="${dist}/run.bat" readonly="true" hidden="true"/></pre>
</blockquote>
<p>makes the "run.bat" file read-only and hidden.</p>
<blockquote>
<pre><attrib readonly="false">
<fileset dir="${meta.inf}" includes="**/*.xml"/>
</attrib>
</pre>
</blockquote>
<p>makes all ".xml" files below <code>${meta.inf}</code> readable.</p>
<blockquote>
<pre>
<attrib readonly="true" archive="true">
<fileset dir="shared/sources1">
<exclude name="**/trial/**"/>
</fileset>
<fileset refid="other.shared.sources"/>
</attrib>
</pre>
</blockquote>
<p>makes all files below <code>shared/sources1</code> (except those below any
directory named trial) read-only and archived. In addition all files belonging
to a FileSet with <code>id</code> <code>other.shared.sources</code> get the
same attributes.</p>
</body>
</html>
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