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good chemistry is complicated, and a little bit messy -LW |
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PerlMonks |
Re: Clearing lines in a file based on an array containing the linesby ramrod (Curate) |
on Apr 22, 2009 at 20:27 UTC ( #759396=note: print w/replies, xml ) | Need Help?? |
You can eliminate the second "grooming" by comparing against your elements at the same time:
As far as only opening the file once, you can try opening it for both reading and writing (+<)
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