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From: Eric Blake <ebb9@byu.net>
Subject:  Re: grep -P regexp problem
Date: Wed, 4 Mar 2009 18:31:05 +0000 (UTC)
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Andriy Sen <apsen <at> hotmail.com> writes:

> G:\>cat test.s | grep -P "^(|[^0])1"
> 1

Useless use of cat.  It is more efficient to write:

grep -P "^(|[^0])1" test.s

-- 
Eric Blake




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