Re: Task from a task?

Jeffrey A Kenward Mon, 30 Apr 2001 15:04:07 -0700

I found foreach, (thank you Tim), and that's exactly what I plan to do.

Also, I had to get Ant.java out of CVS to get around the 1.3 bug that was mentioned in ant-dev.

Thinks are working great now.

-Jeff

Diane Holt wrote:

--- Jeffrey A Kenward <[EMAIL PROTECTED]> wrote:
> What's the best way to invoke a task from another task?
>
> For instance, I'm trying to write a task to search for build files
> further down in the build tree and invoke the ANT task on it once it's
> found.
You could use the newly submitted (but not committed) <foreach> task (I
picked up Chris Greenlee's updated version) -- see the ant-dev mail
archives at message:
http://marc.theaimsgroup.com/?l=ant-dev&m=98842104504477&w=2
It's designed to do <antcall>'s, which means running a target in the
current build-file, but that target could do an <ant>. For example:
<target name="recurse">
    <taskdef name="foreach"
       classname="org.apache.tools.ant.taskdefs.optional.ForeachTask"/>
    <foreach target="runAnt">
      <param name="file">
        <fileset dir="." includes="**/build.xml"/>
      </param>
    </foreach>
</target>
<target name="runAnt">
    <ant antfile="${file}"/>
</target>
This will run the default target in each build.xml file in every
subdirectory of the current directory. If you want to run a specific
target in the sub-project build-files, include the "target" attribute in
the <ant> task (include nested <property>'s if you want to override
property values in the sub-project build-files).
Note: You'll need to pick up the latest Ant.java from CVS, as apparently
the <foreach> task hits a bug that was in the 1.3 version, which has since
been fixed in CVS.
Diane
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Re: Task from a task?

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