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From Matt Benson <gudnabr...@yahoo.com>
Subject Re: How to set a new property based on value of another property in Ant ?
Date Tue, 29 Jan 2008 15:25:45 GMT
You might also see whether you get any use out of the
props sandbox antlib, which requires a svn trunk
(v1.8.x) build of Ant.

-Matt

--- Ravi Roy <ravi.aroy@gmail.com> wrote:

> Thanks Jan, I created my own task and integrated
> into my build
> process, but initial reason to ask this to the group
> was that if Ant
> has a standard way to achieve this then why I should
> create seperate
> task, at last for my own task I have to maintain and
> document the
> same, which would not have been the case in case of
> standard Ant task
> ;-)
> 
> Thanks again for your help.
> 
> Regards,
> Ravi.
> 
> On 1/29/08, Jan.Materne@rzf.fin-nrw.de
> <Jan.Materne@rzf.fin-nrw.de> wrote:
> > I dont know any task.
> > Which means: implement your own ;)
> >
> > Jan
> >
> >
> > <project>
> >
> >  <scriptdef name="insert" language="javascript">
> >      <!-- the string where to insert -->
> >      <attribute name="input"/>
> >      <!-- the string to insert -->
> >      <attribute name="string"/>
> >      <!-- the position where to insert -->
> >      <attribute name="position"/>
> >      <!-- property name for the result -->
> >      <attribute name="property"/>
> >      <![CDATA[
> >          // Access to attributes
> >          pos      = attributes.get("position");
> >          input    = attributes.get("input");
> >          property = attributes.get("property");
> >          str      = attributes.get("string");
> >
> >          // Compute new value
> >          if (pos >= str.length) {
> >              newValue = input + str;
> >          } else {
> >              newValue = input.substring(0, pos) +
> str + input.substring(pos);
> >          }
> >
> >          // Store result
> >          project.setNewProperty(property,
> newValue);
> >      ]]>
> >  </scriptdef>
> >
> >  <insert input="xx" string="." position="1"
> property="out"/>
> >  <echo>${out}</echo>
> >
> > </project>
> >
> > > -----Urspr√ľngliche Nachricht-----
> > > Von: Ravi Roy [mailto:ravi.aroy@gmail.com]
> > > Gesendet: Dienstag, 29. Januar 2008 11:09
> > > An: Ant Users List
> > > Betreff: Re: How to set a new property based on
> value of
> > > another property in Ant ?
> > >
> > > On 1/29/08, Jan.Materne@rzf.fin-nrw.de
> > > <Jan.Materne@rzf.fin-nrw.de> wrote:
> > > > You could load different property files
> according to a base property
> > > >    <property file="${user.name}.properties"/>
> > > >
> > > > And with AntContrib you could copy contents
> > > >    <property name="text.en" value="Hello
> World"/>
> > > >    <property name="text.de" value="Hallo
> Welt"/>
> > > >    <property name="language" value="en"/>
> > > >    <antcontrib:propertycopy name="text"
> from="text.${language}"/>
> > > >    <echo>${text} = Hello World</echo>
> > > >
> > > > see also
> > >
>
http://ant.apache.org/faq.html#propertyvalue-as-name-for-property
> > > >
> > > >
> > > > Jan
> > >
> > > Thanks Jan,
> > >
> > > But initially, I was looking for how to
> manipulate the string like -
> > > pushing "." in between value of the property
> using ant.
> > >
> > > Regards,
> > > Ravi
> > >
> > > >
> > > > > -----Urspr√ľngliche Nachricht-----
> > > > > Von: Ravi Roy [mailto:ravi.aroy@gmail.com]
> > > > > Gesendet: Dienstag, 29. Januar 2008 09:53
> > > > > An: user@ant.apache.org
> > > > > Betreff: How to set a new property based on
> value of another
> > > > > property in Ant ?
> > > > >
> > > > > Hi All,
> > > > >
> > > > > I want to set a property based on a value of
> the other
> > > property in my
> > > > > build script :
> > > > >
> > > > > Already defined property in a build file :
> > > > >
> > > > >  <property foo.1="prop.1" value="xx" />
> > > > >
> > > > > Want to set another property based on the
> value of this
> > > property like.
> > > > >
> > > > >   <property foo.2="prop2. value="x.x" />
> > > > >
> > > > > Which means addding  "." character after
> first character
> > > in the value
> > > > > of foo.1 property.
> > > > >
> > > > > Is it possible in ant ?
> > > > >
> > > > > Thanks for pointers.
> > > > >
> > > > > Regards,
> > > > > Ravi.
> > > > >
> > > > >
> > >
>
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