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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Chapter16.Hostname</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2"><link rel="start" href="index.html" title="Antelope Users Guide"><link rel="up" href="bk03.html" title="Additional Ant Tasks"><link rel="prev" href="bk03ch15.html" title="Chapter15.Math"><link rel="next" href="bk03ch17.html" title="Chapter17.HTTP Post"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter16.Hostname</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="bk03ch15.html">Prev</a></td><th width="60%" align="center">Additional Ant Tasks</th><td width="20%" align="right"><a accesskey="n" href="bk03ch17.html">Next</a></td></tr></table><hr></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="hostname"></a>Chapter16.Hostname</h2></div></div></div>
<STYLE TYPE="text/css"> <!-- @import url(./style.css); --> </STYLE>
<p>
This task shows the hostname or IP address of the local machine.
</p><p>
To use this task in your build files, include a task definition like this:
</p><pre class="programlisting">
<taskdef name="hostname" classname="ise.antelope.tasks.HostnameTask"/>
</pre><p>
</p><p>
</p><div class="table"><a name="id2552892"></a><p class="title"><b>Table16.1.Hostname Task Attributes</b></p><div class="table-contents"><table summary="Hostname Task Attributes" border="1"><colgroup><col><col><col><col></colgroup><thead><tr><th>Attribute</th><th>Description</th><th>Default</th><th>Required</th></tr></thead><tbody><tr><td>property</td><td>Name of the property to store the hostname or IP</td><td>hostname</td><td>No</td></tr><tr><td>showip</td><td>If true, get the IP address of the local machine.</td><td>false</td><td>No</td></tr><tr><td>nic</td><td>The specific name of an interface to get the hostname or IP address of.</td><td>None</td><td>No</td></tr><tr><td>showall</td><td>Get all names or IP addresses for all network interfaces on the local machine.</td><td>false</td><td>No</td></tr><tr><td>failonerror</td><td>Should the build fail if this task fails?</td><td>false</td><td>No</td></tr></tbody></table></div></div><p><br class="table-break">
</p><p>
Examples:
</p><p>
</p><pre class="programlisting">
<description>
Unit tests for hostname task, not really good as hostname is machine
dependent, so writing a portable test is hard.
</description>
<target name="test1">
<a:unset name="hostname"/>
<a:hostname/>
<echo>hostname: ${hostname}</echo>
<a:assert name="hostname" exists="true" message="test 1 failed."/>
</target>
<target name="test2">
<a:unset name="localhost"/>
<a:hostname property="localhost"/>
<echo>localhost: ${localhost}</echo>
<a:assert name="localhost" exists="true" message="test 2 failed."/>
</target>
<target name="test3">
<a:unset name="localhost"/>
<a:hostname property="localhost" showall="yes"/>
<echo>all interfaces: ${localhost}</echo>
<a:assert name="localhost" exists="true" message="test 3 failed."/>
</target>
<target name="test4">
<a:unset name="localhost"/>
<a:hostname property="localhost" showall="yes" showip="yes"/>
<echo>all interfaces by IP: ${localhost}</echo>
<a:assert name="localhost" exists="true" message="test 4 failed."/>
</target>
<target name="test5">
<a:unset name="localhost"/>
<a:hostname property="localhost" nic="lo" showip="yes"/>
<echo>nic lo: ${localhost}</echo>
<a:assert name="localhost" value="lo:127.0.0.1" message="test 5 failed."/>
</target>
Output:
test1:
[echo] hostname: blackdog
test2:
[echo] localhost: blackdog
test3:
[echo] all interfaces: lo:127.0.0.1, eth0:, eth1:blackdog.somewhere.com, eth2:blackdog.wireless.somewhere.com
test4:
[echo] all interfaces by IP: lo:127.0.0.1, eth0:, eth1:192.168.1.3, eth2:192.168.44.12
test5:
[echo] nic lo: lo:127.0.0.1
</pre><p>
</p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="bk03ch15.html">Prev</a></td><td width="20%" align="center"><a accesskey="u" href="bk03.html">Up</a></td><td width="40%" align="right"><a accesskey="n" href="bk03ch17.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter15.Math</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">Chapter17.HTTP Post</td></tr></table></div></body></html>
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