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jweed
Check out [http://www.perl.com/lpt/a/2002/05/07/optree.html|this article] from perl.com. It looks like it may provide the info on op-trees you're looking for. <br><br>
Also note that I found this page as the first search result on google for [http://www.google.com/search?q=B::Generate+perl+tutorial|B::Generate perl tutorial].
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HTH.
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<br>Code is (almost) always untested.
<br><a href="http://www.justicepoetic.net/">http://www.justicepoetic.net/</a>
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