But <fileset> will make the build fail if its 'dir' attribute doesn't exist.
<property name="dir-that-might-exist" value="..." />
<property name="dir-that-exists-4sure" location="." />
<available property="dir2use" type="dir"
value="${dir-that-might-exist}"
file="${dir-that-might-exist}" />
<property name="dir2use" value="${dir-that-exists-4sure}" />
After doing this, dir2use contains either the directory you're interested
in, or the basedir on the projector any other dir, as long as the Ant regex
of the fileset can't select any files in there. It's a similar trick that
Matt Benson's, I'd say.
Would be tons easier is <fileset> supported a new attribute to not barf with
its 'dir' attribute is not a valid directory!!! --DD
-----Original Message-----
From: Erik Hatcher [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, August 27, 2002 12:55 PM
To: Ant Users List
Subject: Re: any way include a fileset in a classpath conditionally?
Filesets cannot be conditional, but include/exclude elements have
if/unless attributes in exactly the same manner as target if/unless.
Erik
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