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Re^2: Filtering lines from one file from another

by Limbic~Region (Chancellor)
on Feb 03, 2011 at 16:16 UTC ( #886019=note: print w/replies, xml ) Need Help??


in reply to Re: Filtering lines from one file from another
in thread Filtering lines from one file from another

mertserger,
The problem with comm is that it requires the files to be sorted (which they are not). If antonn doesn't need to preserve order than this is a fine solution. It is actually a fairly difficult problem to solve if you self-impose a number of constraints such as order preservation and arbitrarily large files.

Cheers - L~R

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