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Date:	Fri, 06 Nov 2009 16:09:54 -0800
From:	Linda Walsh <cygwin AT tlinx DOT org>
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Subject:	Re: 1.7] BUG - GREP slows to a crawl with large number of matches on a single file
References:	<20091106135152 DOT GK26344 AT calimero DOT vinschen DOT de> <814i7o$49eric AT dmzms99802 DOT na DOT baesystems DOT com> <806a89db0911061422l290ff84u3d58cbbe1d3eface AT mail DOT gmail DOT com>
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Jim Reisert AD1C wrote:
> On Fri, Nov 6, 2009 at 7:12 AM, Cooper, Karl (US SSA)
>> Yes, this solves it:
>> $ time LC_ALL=C.ASCII grep dog testfile | wc
>>  100000  900000 4500000
>>
>> real    0m0.359s
>> user    0m0.279s
>> sys     0m0.232s
> I just tried this on my system, I routinely grep groups of files
> containing 100K lines.  I was *astounded* how fast "grep" is after
> setting LC_ALL=C.ASCII !
----
	I'm really curious if 'pcregrep' has the same problem with unicode
on 1.7.  Could you try it on the same input?  It's based off the perl
regex which has supported unicode for a few years now.   

-l

 

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