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-<!--
- Licensed to the Apache Software Foundation (ASF) under one or more
- contributor license agreements. See the NOTICE file distributed with
- this work for additional information regarding copyright ownership.
- The ASF licenses this file to You under the Apache License, Version 2.0
- (the "License"); you may not use this file except in compliance with
- the License. You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
--->
-<html>
-
-<head>
-<meta http-equiv="Content-Language" content="en-us">
-<link rel="stylesheet" type="text/css" href="../stylesheets/style.css">
-<title>Chgrp Task</title>
-</head>
-
-<body>
-
-<h2><a name="Chgrp">Chgrp</a></h2>
-<p><em>Since Apache Ant 1.6.</em></p>
-<h3>Description</h3>
-
-<p>Changes the group of a file or all files inside specified
-directories. Right now it has effect only under Unix. The group
-attribute is equivalent to the corresponding argument for the chgrp
-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>&lt;fileset&gt;</code>, <code>&lt;dirset&gt;</code> and
-<code>&lt;filelist&gt;</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
-chgrp 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) and your operating system, so you'll have to experiment a
-little. POSIX recommends command line length limits of at least 4096
-characters, this may give you an approximation for the number you
-could use as initial value for these experiments.</p>
-
-<p>By default this task won't do anything unless it detects it is
- running on a Unix system. If you know for sure that you have a
- "chgrp" executable on your PATH that is command line compatible with
- the Unix 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 group must be
- changed.</td>
- <td valign="top" valign="middle">Yes, unless nested
- <code>&lt;fileset|filelist|dirset&gt;</code>
- elements are specified</td>
- </tr>
- <tr>
- <td valign="top">group</td>
- <td valign="top">the new group.</td>
- <td valign="top" align="center">Yes</td>
- </tr>
- <tr>
- <td valign="top">parallel</td>
- <td valign="top">process all specified files using a single
- <code>chgrp</code> command. Defaults to true.</td>
- <td valign="top" align="center">No</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 group 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">maxparallel</td>
- <td valign="top">Limit the amount of parallelism by passing at
- most this many sourcefiles at once. Set it to &lt;= 0 for
- unlimited. Defaults to unlimited.</td>
- <td align="center" valign="top">No</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">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">&lt;os&gt;</a>
- condition.</td>
- <td align="center" valign="top">No - defaults to "unix"</td>
- </tr>
-
-</table>
-<h3>Examples</h3>
- <blockquote><pre>
-&lt;chgrp file=&quot;${dist}/start.sh&quot; group=&quot;coders&quot;/&gt;
-</pre>
-</blockquote>
-<p>makes the &quot;start.sh&quot; file belong to the coders group on a
-UNIX system.</p>
-<blockquote>
-<pre>
-&lt;chgrp group=&quot;coders&quot;&gt;
- &lt;fileset dir=&quot;${dist}/bin&quot; includes=&quot;**/*.sh&quot;/&gt;
-&lt;/chgrp&gt;
-</pre>
-</blockquote>
-<p>makes all &quot;.sh&quot; files below <code>${dist}/bin</code>
-belong to the coders group on a UNIX system.</p>
-<blockquote>
-<pre>
-&lt;chgrp group=&quot;coders&quot;&gt;
- &lt;fileset dir=&quot;shared/sources1&quot;&gt;
- &lt;exclude name=&quot;**/trial/**&quot;/&gt;
- &lt;/fileset&gt;
- &lt;fileset refid=&quot;other.shared.sources&quot;/&gt;
-&lt;/chgrp&gt;
-</pre>
-</blockquote>
-<p>makes all files below <code>shared/sources1</code> (except those
-below any directory named trial) belong to the coders group on a UNIX
-system. In addition all files belonging to a FileSet
-with <code>id</code> <code>other.shared.sources</code> get the same
-group.</p>
-
-<blockquote>
-<pre>
-&lt;chgrp group=&quot;webdev&quot; type=&quot;file&quot;&gt;
- &lt;fileset dir=&quot;/web&quot;&gt;
- &lt;include name=&quot;**/*.test.jsp&quot;/&gt;
- &lt;include name=&quot;**/*.new&quot;/&gt;
- &lt;/fileset&gt;
- &lt;dirset dir=&quot;/web&quot;&gt;
- &lt;include name=&quot;**/test_*&quot;/&gt;
- &lt;/dirset&gt;
-&lt;/chmod&gt;
-</pre>
-</blockquote>
-
-<p>makes all <code>.test.jsp</code>, and <code>.new</code> files belong to
-group webdev. Directories beginning with <code>test_</code> also will belong
-to webdev, but if there is a directory that ends in <code>.new</code> or a file
-that begins with <code>test_</code> it will be unaffected.</p>
-
-
-
-
-</body>
-</html>
-