From user-return-66071-apmail-ant-user-archive=ant.apache.org@ant.apache.org Tue Oct 14 21:21:30 2008
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Message-ID: <2dfefcd20810141420y76d4fe89o4c8cce72f4495411@mail.gmail.com>
Date: Tue, 14 Oct 2008 14:20:58 -0700
From: "Mohit Anchlia" <mohitanchlia@gmail.com>
To: "Ant Users List" <user@ant.apache.org>
Subject: Re: If else
In-Reply-To: <345520A34347BA49B798F70B218ACD13055B127E93@MERCMBX14.na.sas.com>
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	 <345520A34347BA49B798F70B218ACD13055B127E93@MERCMBX14.na.sas.com>
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that works. thanks

But I don't understand what I was doing wrong.

On Tue, Oct 14, 2008 at 1:44 PM, Alec Fernandez <Alec.Fernandez@sas.com> wrote:
> try the <isset
> condition
>
>>> -----Original Message-----
>>> From: Mohit Anchlia [mailto:mohitanchlia@gmail.com]
>>> Sent: Tuesday, October 14, 2008 10:33 PM
>>> To: Ant Users List
>>> Subject: If else
>>>
>>> I am struggling with a very simple question. How do I test if a
>>> variable is defined or not?
>>>
>>> I tried:
>>>
>>>
>>>         <if>
>>>           <matches string="${jboss.wily.jvmargs}" pattern="^[ \t]+" />
>>>
>>> and
>>>
>>>
>>>         <if>
>>>           <matches string="${jboss.wily.jvmargs}" pattern="" />
>>>
>>> and
>>>
>>>
>>>         <if>
>>>           <length string="${jboss.wily.jvmargs}" trim="true"
>>> when="greater" length="0" />
>>>
>>>
>>>
>>> Nothing seem to work. jboss.wily.jvmargs may or may not be there in
>>> property file
>>>
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