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To: Ant Users List <user@ant.apache.org>
From: Daniel Smith <dlsmith@rice.edu>
Subject: Repeating a task x times
Date: Tue, 15 Aug 2006 13:26:49 -0500
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I'm interested in writing a script that repeats some task a user-=20
specified number of times.  This is useful where the behavior of =20
JUnit tests is randomized (explicitly or, in this case, due to =20
concurrency irregularities), and a test sample of size larger than 1 =20
is needed.

The best solution we've been able to come up with is the "for" task =20
from ant-contrib.  Unfortunately, "for" iterates over lists (or =20
tokenized strings), not numbers.  So we can do something like this:

 > ant -Drepeat=3D"1,2,3" sometarget

<target name=3D"sometarget">
    <for list=3D"${repeat}>
       (do something)
    </for>
</target>

Clearly, this isn't ideal.  I might explore doing something with the =20
"math" task in ant-contrib.  What other recommendations do you have?

=97Dan


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