Re: [grep] about 200 times slower than Sed or Perl

[Jim Meyering]

"Eli Zaretskii" <address@hidden> wrote:
>> Date: Tue, 9 Mar 2004 11:44:47 +0100
>> From: Eduard Bloch <address@hidden>
>>
>> today I tried to weed out some useles lines from a large log file and
>> was amazed to see that the current grep versions (and fgrep) are
>> slow like hell.
>
> Thanks for publishing the results, but please give more information so
> that others could look into the possible reasons of this.  Versions of
> Grep, Perl, and Sed you used, as well as the size of the kern.log file
> would be most useful.

Please include the output of the `locale' command, too.
If you're not using the `C' locale, then you might want to
try that as well.

  env LC_ALL=c grep ...