Checks whether the specified property exists.

bool property::exists(name)

Parameters

Name	Type	Description
name	string	The property to test.

Return Value

true if the specified property exists; otherwise, false.

Examples

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>

Requirements

Assembly: NAnt.Core.dll
Namespace: NAnt.Core.Functions