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From Vincent <vincen...@gmail.com>
Subject Re: Using and checking an environment variable?
Date Tue, 06 Jun 2006 10:12:12 GMT
You can also try the following
<if>
			<not>
				<isset property="env" />
			</not>
			<then>
				<fail message="Please set the env!" />
			</then>
		</if>
greetings
Vincent

On 6/6/06, Ben Stringer <ben@burbong.com> wrote:
> On Tue, 2006-06-06 at 11:41 +0200, johann.petrak@gmail.com wrote:
> > I want to distribute the build.xml file with an application and therefore
> > not include any paths to software the application depends on. Ideally I
> > would want to take this from an environment variable and show an error
> > message if the environment variable is not set.
> >
> > Currently I set a property like this:
> >   <property name="sw.home" location="${env.THE_VARIABLE}" />
> > and later use sw.home wherever needed.
> >
> > I cannot figure out how to best provide a default here or even better, abort
> > with a descriptive error message if the environment variable is not set.
>
> <property environment="env"/>
> <fail message="MY_VAR not set. See README.txt" unless="env.MY_VAR"/>
>
> Cheers, Ben
>
> Ben Stringer ===== ben@burbong.com
> ==================================
>
>
>
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