I'm sorry that I didn't make myself clear. The regex above just is $1 and $2 because I deleted the references up to $31. Reading in 1 line at a time with perl just takes too long (1.5 million lines - 14 to 20 minutes per file) and awk can do it in like 2 minutes. I'm trying to cut the 14 minutes down to ~ 2 minutes as much as possible.

In reply to Re: Re: split and sysread() by relaxed137
in thread split and sysread() by relaxed137

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