ANT Script handling Return value from exec

Question

So this is the scenario. I have

<target name="test">
  <property file="blah"></property>
  <exec dir="" executable="trast.exe" resolveexecutable="true" spawn="true">
  </exec>
</target>     

<!-- So now I have the second target that uses Return value from first target -->
<target name="test2">
  <property file="blah"></property>
  <exec dir="" executable=RETURN VALUE resolveexecutable="true" spawn="true">
  </exec>
</target>

Basically I need a way to use the result from first target in the next target. I looked online and one solution seems to be is to parse output. But is there a way to get it without parsing?

Thanks

martin clayton · Accepted Answer · 2011-01-21 18:14:31Z

13

The exec task has an outputproperty. Could you do something like this:

<target name="test">
  <exec dir="" executable="trast.exe" resolveexecutable="true" spawn="true" outputproperty="blah">
  </exec>
</target>     

<!-- So now I have the second target that uses Return value from first target -->
<target name="test2">
  <exec dir="" executable="${blah}" resolveexecutable="true" spawn="true">
  </exec>
</target>

It's been a while since I used Ant and I don't have it installed on this machine, but I seem to recall doing something like the above.

Or maybe use resultproperty?

Found it here: http://ant.apache.org/manual/Tasks/exec.html

edited Jan 21, 2011 at 18:14

martin clayton

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answered Jul 1, 2009 at 18:44

seth

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Comments

Assaf Lavie · Accepted Answer · 2009-07-01 18:46:32Z

0

The first executable return the name of the executable that you later have to run in test2, right?

So the first executable could write that name into a script file (e.g. batch file on Windows, shell file on Unix). The script would have a fixed name and your Ant script would just run it.

edited Jul 1, 2009 at 18:46

answered Jul 1, 2009 at 18:37

Assaf Lavie

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2 Comments

grobartn Over a year ago

Well it is fixed. I just can not find way to access return value from target test in the target test2.

Assaf Lavie Over a year ago

Oh, I see, you mean test return the name of the exe that you want to execute?

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