PropertyFunctions.

Exists(string) Method

Summary

Checks whether the specified property exists.
Assembly
NAnt.Core.dll
Namespace
NAnt.Core.Functions
Containing Type
PropertyFunctions

Syntax

[Function("exists")]
public bool Exists(string name)

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>

Attributes

Type Description
FunctionAttribute Indicates that the method should be exposed as a function in NAnt build files.

Parameters

Name Type Description
name string The property to test.

Return Value

Type Description
bool true if the specified property exists; otherwise, false.