NAnt SDK Documentation - v0.92

PropertyFunctions.Exists Method 

Checks whether the specified property exists.

[Visual Basic]
<Function(Name:="exists")>
Public Function Exists( _
   ByVal name As String _
) As Boolean
[C#]
[Function(Name="exists")]
public bool Exists(
   string name
);

Parameters

name
The property to test.

Return Value

true if the specified property exists; otherwise, false.

Example

Execute a set of tasks if the "build.debug" property exists.

    
<if test="${property::exists('build.debug')}">
    <echo message="Starting debug build" />
    <call target="init-debug" />
    <call target="build" />
</if>
    
  

See Also

PropertyFunctions Class | NAnt.Core.Functions Namespace