Yes. This will evaluate true is the jelly value outputDir is "empty". I
think that means null or "", but am not certain.

You might also see it written as ${empty(outputDir)}

- Brett

> -----Original Message-----
> From: Vikas Phonsa [mailto:[EMAIL PROTECTED] 
> Sent: Thursday, 6 November 2003 11:14 AM
> To: 'Maven Users List'
> Subject: simple jelly explanation
> 
> 
> 
> Hi Guys,
> 
> I have this line in one of the jelly script in a maven 
> plugin. I don't know jelly but have checked out its major 
> tags. Could you pls help me understand
> this:
> 
> <j:if test="${empty outputDir}">
> 
> I undertand j:if test
> 
> But in ${empty outputDir}" does empty refers to some inbuilt 
> function of checking the outputDir or what ?
> 
> Or is it supposed to be some function written somewhere in 
> the jelly script that I'm using.
> 
> Please guide
> 
> Thanks
> 
> Vikas
> 
> 
> 
> 
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