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I don't see major faults in your script, but that much data should easily be calculated within a few minutes, if not seconds. However, here are a few problems.

Drop the $inputtext = $_ assignment, and change your top-level regexps to have an anchor in the beginning:

if (m/^q (\d+) (\d+)/)

Second, the m/\b$fnum\b[^\|]*\b$snum\b/ regexps are forcing the regexp engine to recompile that on almost every run (as the variables change). This is highly inefficient -- the whole if/elsif/else chain should be parsed differently. I'm not sure what the purpose of that block is, but at the very least you can change some of $fnum/$snum into \d+


In reply to Re: How to process with huge data's by Anonymous Monk
in thread How to process with huge data's by arivu198314

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