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<head>
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<title>Length Task</title>
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<body>
<h2>Length</h2>
<p><em>Since Apache Ant 1.6.3</em></p>
<h3>Description</h3>
<p>Display or set a property containing length information for a string, a file, or one or more
nested <a href="../Types/resources.html#collection">resource collections</a>. Can also be used as
a <code>condition</code>.</p>
<h3>Parameters</h3>
<table class="attr">
<tr>
<th scope="col" rowspan="2">Attribute</th>
<th scope="col" rowspan="2">Description</th>
<th scope="col" colspan="2">Required</th>
</tr>
<tr>
<th scope="col">Task</th>
<th scope="col">Condition</th>
</tr>
<tr>
<td>property</td>
<td>The property to set.</td>
<td class="center">No; by default, output value to the log</td>
<td rowspan="2">Ignored</td>
</tr>
<tr>
<td>mode</td>
<td>File length mode; when <q>all</q> the resulting value is the sum of all included resources'
lengths; when <q>each</q> the task outputs the absolute path and length of each included
resource, one per line.</td>
<td class="center">No; default is <q>all</q></td>
</tr>
<tr>
<td>file</td>
<td>Single file whose length to report.</td>
<td rowspan="3" colspan="2">One of these, or one or more nested filesets</td>
</tr>
<tr>
<td>resource</td>
<td class="left">Single resource whose length to report (using
extended <a href="../properties.html#propertyHelper">properties handling</a>). <em>Since Ant
1.8.1</em>
</td>
</tr>
<tr>
<td>string</td>
<td class="left">The string whose length to report.</td>
</tr>
<tr>
<td>trim</td>
<td>Whether to trim when operating on a string.</td>
<td colspan="2">No; default is <q>false</q>, ignored unless <var>string</var> is set</td>
</tr>
<tr>
<td>length</td>
<td>Comparison length.</td>
<td class="center" rowspan="2">Ignored</td>
<td>Yes</td>
</tr>
<tr>
<td>when</td>
<td>Comparison
type: <q>equal</q>, <q>eq</q>, <q>greater</q>, <q>gt</q>, <q>less</q>, <q>lt</q>, <q>ge</q>
(greater or equal), <q>ne</q> (not equal), <q>le</q> (less or equal).</td>
<td>No; default is <q>equal</q></td>
</tr>
</table>
<h3>Parameters specified as nested elements</h3>
<h4>resource collections</h4>
<p>You can include resources via nested <a href="../Types/resources.html#collection">resource
collection</a>s.</p>
<h3>Examples</h3>
<p>Store the length of the string <q>foo</q> in the property named <code>length.foo</code>.</p>
<pre><length string="foo" property="length.foo"/></pre>
<p>Store the length of file <samp>bar</samp> in the property named <code>length.bar</code>.</p>
<pre><length file="bar" property="length.bar"/></pre>
<p>Store the file paths of <samp>foo</samp> and <samp>bar</samp> and their length into the
property <code>length</code>.</p>
<pre>
<length property="length" mode="each">
<fileset dir="." includes="foo,bar"/>
</length>
</pre>
<p>Add the length of <samp>foo</samp> and <samp>bar</samp> and store the result in
property <code>length</code>.</p>
<pre>
<length property="length" mode="all">
<fileset dir="." includes="foo,bar"/>
</length>
</pre>
</body>
</html>
distrib
>
Mageia
>
7
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i586
>
media
>
core-updates
>
by-pkgid
>
8fad0817607a09309c3e5b12a09dac58
>
files
>
92
