1.7] BUG - GREP slows to a crawl with large number of matches on a single file

[Linda Walsh]

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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