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Message-ID: <879A5AD5DD0ED511891F0003473A9B560E23EFA4@Z011004>
From: Jan.Materne@rzf.fin-nrw.de
To: user@ant.apache.org
Subject: RE: When is unless/if checked?
Date: Thu, 15 Apr 2004 12:16:25 +0200
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the order of execution is
- perform the "depends" targets
- check for if/unless
- perform the target according to the check

the if/unless attribute requires the name of a property, not a value.
So use 
   if="name" 
instead
   if="${name}"
(which could be  if="value"  :-)


Jan



> -----Original Message-----
> From: Ivan Ivanov [mailto:rambiusparkisanius@yahoo.com]
> Sent: Thursday, April 15, 2004 10:34 AM
> To: Ant Users List
> Subject: Re: When is unless/if checked?
> 
> 
> Zdravei Todore,
> 
> 1) There is an error in your unless usage it should be
> unless="condition" (yes, without ${}).
> 2) An ant property is said to be set if it contains
> some value in it. In other words 
> <property name="condition" value="true"/>
> is equivalent to 
> <property name="condition" value="false"/>
> in both cases this property is set since it has a
> value in it.
> 
> Dovizdane 
> Ivan Ivanov
> --- Todor Boev <t_boev@prosyst.bg> wrote:
> > Hello all,
> > My question is when the unless/if conditions to
> > execute a target are checked - only once at the
> > beginning of the build or just prior to target
> > execution? Seems to me that ant goes with the first
> > option because the following:
> > 
> > <target name="condition_checker">
> >    <property name="condition" value="true"/>
> > </target>
> > 
> > <target name="conditional"
> > depends="condition_checker" unless="${condition}">
> >   <echo message="Called with condition:
> > ${condition}"/>
> > </target>
> > 
> > will output
> > 
> > [echo] Called with condition: true
> > 
> > which is somewhat unexpected because the
> > "conditional" should not be executed when
> > condition=true.
> > 
> > 10x in advance for all replys.
> 
> 
> 
> 	
> 		
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