# file::exists

Determines whether the specified file exists.

### Usage

`bool file::exists(file)`

### Parameters

Name | Type | Description
--- | --- | ---
file | string | The file to check.

### Return Value

true if file refers to an existing file; otherwise, false.

### Examples

- Execute a set of tasks, if file "output.xml" does not exist.

                  <if test="${not file::exists('output.xml')}">
                      ...
                  </if>

### Requirements

Assembly: NAnt.Core (0.91.4312.0)