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[bug-grep] Re: GNU grep 2.5.1

From: Claudio Fontana
Subject: [bug-grep] Re: GNU grep 2.5.1
Date: Fri, 1 Apr 2005 14:58:40 +0200 (CEST)

> Today I decided that
> grep -c "\xaa\x55\x00\x00\x04\x90" bigDataFile
> should be faster. Well, it is faster, but it always
> says 0.

You are basically looking for the string

If you want to use perl regular expressions, try 
grep -P -c '\xaa\x55\x00\x00\x04\x90'

However, beware that perl regex support is still
experimental in grep.

Does this solve your issue?


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