<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <!-- Documenting Exists--> <head> <meta http-equiv="Content-Language" content="en-ca" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link rel="stylesheet" type="text/css" href="../style.css" /> <title>file::exists Function</title> </head> <body> <table width="100%" border="0" cellspacing="0" cellpadding="2" class="NavBar"> <tr> <td class="NavBar-Cell"> <a href="http://nant.sourceforge.net"> <b>NAnt</b> </a> <img alt="->" src="../images/arrow.gif" /> <a href="../index.html">Help</a> <img alt="->" src="../images/arrow.gif" /> <a href="index.html">Function Reference</a> <img alt="->" src="../images/arrow.gif" /> file::exists</td> <td class="NavBar-Cell" align="right"> v0.91</td> </tr> </table> <h1>file::exists</h1> <p> Determines whether the specified file exists. </p> <h3>Usage</h3> <code>bool file::exists(<span class="parameter">file</span>) </code> <p /> <h3>Parameters</h3> <div class="table"> <table> <tr> <th>Name</th> <th>Type</th> <th>Description</th> </tr> <tr> <td>file</td> <td>string</td> <td>The file to check.</td> </tr> </table> </div> <h3>Return Value</h3> <b>true</b> if <i>file</i> refers to an existing file; otherwise, <b>false</b>. <h3>Examples</h3><ul class="examples"><li><p>Execute a set of tasks, if file "output.xml" does not exist.</p><pre class="code"> <if test="${not file::exists('output.xml')}"> ... </if> </pre></li></ul><h3>Requirements</h3><div style="margin-left: 20px;"><b>Assembly:</b> NAnt.Core (0.91.4312.0) </div></body> </html>