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This is completely unrelated to your issue, but these suggestions may be useful in the future:
Use the strictures: Amongst other things, this will warn you that
chomp can chomp all elements of a list at once, so there is no need to explicitly chomp each one:
It is a good practice to check the return value of open, opendir and system. Avoid using $a and $b since they have special meaning for sort. In reply to Re: Oh where has my memory gone?
by toolic
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