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Date: Thu, 20 Apr 2006 17:20:08 -0400
From: Antoine Levy-Lambert <antoine@gmx.de>
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To: Ant Users List <user@ant.apache.org>
Subject: Re: How to set a property based on a mapper result of another	property
References: <444790D7.954F.0081.0@wicourts.gov>
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Hello Andrew,

I think that ant-contrib ( a related project which can be used as an
extension of ant) has good tasks for that.

Regards,

Antoine

Andrew Goodnough wrote:
> I've got a property with the value
> "http://subversion/svn/ccap/BBE/branches/02_4X/BBEApp".  This
> property will change based on context.  I want to create a new property
> >from this other property that contains the value "02_4X".  I'm looking
> for a feature in the <property> task that can accept a <mapper> (like
> the <propertyset> task) but works on a single property.  I'm thinking it
> would look something like the code below.  Is there anything which
> currently would do this?
>
> <!-- Setup first property -->
> <property name="svn.info.url"
> value="http://subversion/svn/ccap/BBE/branches/02_4X/BBEApp"/>
>
> <!-- Assign second from the first using a mapper -->
> <property name="svn.branch">
> 	<property name="svn.info.url">
>                                     <!-- This regex is probably bad,
> but you get the point -->
> 		<mapper type="regex" type="regexp"
> from="^(.*)/([^branches]+)/([^/]*)$$" to="\2"/>
> 	</property>
> </property>
>
> <!-- Echo the result -->
> <echo message="Branch=${svn.branch}"/>
>
> Desired Result:
>
>   
>> Branch=02_4X
>>     
>
>
> Andy
>
>
>   


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