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

[Jim Reisert AD1C]

On Fri, Nov 6, 2009 at 7:12 AM, Cooper, Karl (US SSA)
<karl.cooper@baesystems.com> wrote:

> Corinna Vinschen wrote:
>> Or try LANG=C.ASCII since LANG=C will still return UTF-8 as charset
>> when calling nl_langinfo(CHARSET).
>
> 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 !

-- 
Jim Reisert AD1C, <jjreisert@alum.mit.edu>, http://www.ad1c.us

--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple