Hello folks,

I'm using the latest version of NAnt:
NAnt 0.85 (Build 0.85.1753.0; net-1.0.win32; nightly; 10/19/2004)

I have this simple test build file:

<?xml version="1.0"?>
<project name="test" default="display">
        <target name="display">
                <property name="rootdir" value="null" 
unless="${property::exists(rootdir)}" />
                <echo message="rootdir = ${rootdir}" />
        </target>
</project>

When I run this file I will get the following:
Property evaluation failed.
Expression: ${property::exists(rootdir)}
                               ^^^^^^^
    Property 'rootdir' has not been set.


Is this correct?   What I'm trying to do is set a property if it doesn't exist. 

Felice




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