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<h2><a name="buildnumber">Buildnumber</a></h2>
<h3>Description</h3>
<p>This is a basic task that can be used to track build numbers.</p>
<p>It will first attempt to read a build number from a file, then
set the property "build.number" to the value that was read in
(or 0 if no such value). Then it will increment the build number
by one and write it back out into the file.</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>
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  <tr>
    <td valign="top">file</td>
    <td valign="top">the file to read and write build number from.</td>
    <td align="center" valign="top">No, defaults to &quot;build.number&quot;</td>
  </tr>
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<h3>Examples</h3>
<pre>  &lt;buildnumber/&gt;</pre>

<p>Read, increment and write a build number to the default file &quot;build.number&quot;.</p>

<pre>  &lt;buildnumber file=&quot;mybuild.number&quot;/&gt;</pre>

<p>Read, increment and write a build number to the file &quot;mybuild.number&quot;.</p>

<hr><p align="center">Copyright &copy; 2002 Apache Software Foundation. All rights
Reserved.</p>

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