199 lines
9.1 KiB
HTML
199 lines
9.1 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<!-- Documenting T:NAnt.Core.Tasks.LoopTask-->
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<head>
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<meta http-equiv="Content-Language" content="en-ca" />
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<link rel="stylesheet" type="text/css" href="../style.css" />
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<title><foreach> Task</title>
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</head>
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<body>
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<table width="100%" border="0" cellspacing="0" cellpadding="2" class="NavBar">
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<tr>
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<td class="NavBar-Cell">
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<a href="http://nant.sourceforge.net">
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<b>NAnt</b>
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</a>
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<img alt="->" src="../images/arrow.gif" />
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<a href="../index.html">Help</a>
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<img alt="->" src="../images/arrow.gif" />
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<a href="../tasks/index.html">Task Reference</a>
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<img alt="->" src="../images/arrow.gif" /> <foreach></td>
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<td class="NavBar-Cell" align="right">
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v0.91</td>
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</tr>
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</table>
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<h1><foreach></h1>
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<p> Loops over a set of items. </p>
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<p> Can loop over files in directory, lines in a file, etc. </p>
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<p> The property value is stored before the loop is done, and restored when the loop is finished. </p>
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<p> The property is returned to its normal value once it is used. Read-only parameters cannot be overridden in this loop. </p>
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<h3>Parameters</h3>
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<div class="table">
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<table>
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<tr>
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<th>Attribute</th>
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<th style="text-align: center;">Type</th>
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<th>Description</th>
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<th style="text-align: center;">Required</th>
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</tr>
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<tr>
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<td valign="top" class="required">item</td>
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<td style="text-align: center;">
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<a href="../enums/NAnt.Core.Tasks.LoopTask.LoopItem.html">LoopItem</a>
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</td>
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<td> The type of iteration that should be done. </td>
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<td style="text-align: center;">True</td>
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</tr>
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<tr>
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<td valign="top" class="required">property</td>
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<td style="text-align: center;">string</td>
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<td> The NAnt property name(s) that should be used for the current iterated item. </td>
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<td style="text-align: center;">True</td>
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</tr>
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<tr>
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<td valign="top">delim</td>
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<td style="text-align: center;">string</td>
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<td> The deliminator char. </td>
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<td style="text-align: center;">False</td>
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</tr>
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<tr>
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<td valign="top">in</td>
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<td style="text-align: center;">string</td>
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<td> The source of the iteration. </td>
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<td style="text-align: center;">False</td>
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</tr>
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<tr>
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<td valign="top">trim</td>
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<td style="text-align: center;">
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<a href="../enums/NAnt.Core.Tasks.LoopTask.LoopTrim.html">LoopTrim</a>
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</td>
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<td> The type of whitespace trimming that should be done. The default is <code>None</code>. </td>
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<td style="text-align: center;">False</td>
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</tr>
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<tr>
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<td valign="top">failonerror</td>
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<td style="text-align: center;">bool</td>
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<td> Determines if task failure stops the build, or is just reported. The default is <b>true</b>. </td>
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<td style="text-align: center;">False</td>
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</tr>
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<tr>
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<td valign="top">if</td>
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<td style="text-align: center;">bool</td>
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<td> If <b>true</b> then the task will be executed; otherwise, skipped. The default is <b>true</b>. </td>
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<td style="text-align: center;">False</td>
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</tr>
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<tr>
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<td valign="top">unless</td>
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<td style="text-align: center;">bool</td>
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<td> Opposite of <code>if</code>. If <b>false</b> then the task will be executed; otherwise, skipped. The default is <b>false</b>. </td>
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<td style="text-align: center;">False</td>
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</tr>
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<tr>
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<td valign="top">verbose</td>
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<td style="text-align: center;">bool</td>
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<td> Determines whether the task should report detailed build log messages. The default is <b>false</b>. </td>
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<td style="text-align: center;">False</td>
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</tr>
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</table>
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</div>
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<h3>Nested Elements:</h3>
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<!--Element-->
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<h4>
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<a id="in">
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</a>
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<in>
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</h4>
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<div class="nested-element"> Stuff to operate in. Just like the <code>in</code> attribute, but supports more complicated things like a <a href="../types/fileset.html"><fileset></a> and such. <p class="i2"><b>Note:</b> Please remove the <code>in</code> attribute if you are using this element. </p><p></p><h3>Nested Elements:</h3><!--Element--><h4><a id="items"></a>
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<<a href="../types/fileset.html">items</a>>
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</h4><div class="nested-element"><p /></div><h4><a id="items"></a>
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</<a href="../types/fileset.html">items</a>>
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</h4><p /></div>
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<h4>
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<a id="in">
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</a>
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</in>
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</h4>
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<!--Element-->
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<h4>
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<a id="do">
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</a>
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<do>
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</h4>
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<div class="nested-element"> Tasks to execute for each matching item. <p> Executes embedded tasks in the order in which they are defined. </p><h3>Parameters</h3><div class="table"><table><tr><th>Attribute</th><th style="text-align: center;">Type</th><th>Description</th><th style="text-align: center;">Required</th></tr><tr><td valign="top">failonerror</td><td style="text-align: center;">bool</td><td> Determines if task failure stops the build, or is just reported. The default is <b>true</b>. </td><td style="text-align: center;">False</td></tr><tr><td valign="top">if</td><td style="text-align: center;">bool</td><td> If <b>true</b> then the task will be executed; otherwise, skipped. The default is <b>true</b>. </td><td style="text-align: center;">False</td></tr><tr><td valign="top">unless</td><td style="text-align: center;">bool</td><td> Opposite of <code>if</code>. If <b>false</b> then the task will be executed; otherwise, skipped. The default is <b>false</b>. </td><td style="text-align: center;">False</td></tr><tr><td valign="top">verbose</td><td style="text-align: center;">bool</td><td> Determines whether the task should report detailed build log messages. The default is <b>false</b>. </td><td style="text-align: center;">False</td></tr></table></div><p /></div>
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<h4>
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<a id="do">
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</a>
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</do>
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</h4>
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<h3>Examples</h3>
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<ul class="examples">
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<li>
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<p>Loops over the files in <code>c:\</code>.</p>
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<pre class="code">
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<foreach item="File" in="c:\" property="filename">
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<echo message="${filename}" />
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</foreach>
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</pre>
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</li>
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<li>
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<p>Loops over all files in the project directory.</p>
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<pre class="code">
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<foreach item="File" property="filename">
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<in>
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<items>
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<include name="**" />
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</items>
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</in>
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<do>
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<echo message="${filename}" />
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</do>
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</foreach>
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</pre>
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</li>
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<li>
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<p>Loops over the folders in <code>c:\</code>.</p>
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<pre class="code">
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<foreach item="Folder" in="c:\" property="foldername">
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<echo message="${foldername}" />
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</foreach>
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</pre>
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</li>
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<li>
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<p>Loops over all folders in the project directory.</p>
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<pre class="code">
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<foreach item="Folder" property="foldername">
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<in>
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<items>
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<include name="**" />
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</items>
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</in>
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<do>
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<echo message="${foldername}" />
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</do>
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</foreach>
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</pre>
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</li>
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<li>
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<p>Loops over a list.</p>
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<pre class="code">
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<foreach item="String" in="1 2,3" delim=" ," property="count">
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<echo message="${count}" />
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</foreach>
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</pre>
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</li>
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<li>
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<p> Loops over lines in the file <code>properties.csv</code>, where each line is of the format name,value. </p>
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<pre class="code">
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<foreach item="Line" in="properties.csv" delim="," property="x,y">
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<echo message="Read pair ${x}=${y}" />
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</foreach>
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</pre>
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</li>
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</ul>
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<h3>Requirements</h3>
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<div style="margin-left: 20px;">
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<b>Assembly:</b> NAnt.Core (0.91.4312.0)
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</div>
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</body>
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</html>
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