And why might that be? Here are some possibilities:
- You don't know what recursion is.
- You do know what recursion is, but have no idea how to do it in perl.
- You know what it is and how to do it, but cannot see how it applies to your problem.
- You've decided it would be better not to roll your own but don't know how to look for appropriate existing code.
- You've found some existing code but don't know how to implement it in your script.
If you want to pick a number that would give us a bit more idea of why you are stuck and hence how you can be assisted.
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