delorie.com/archives/browse.cgi   search  
Mail Archives: cygwin/2009/11/06/08:52:48

X-Recipient: archive-cygwin AT delorie DOT com
X-SWARE-Spam-Status: No, hits=-2.0 required=5.0 tests=AWL,BAYES_00,SPF_SOFTFAIL
X-Spam-Check-By: sourceware.org
Message-ID: <4AF42A30.2030205@byu.net>
Date: Fri, 06 Nov 2009 06:52:48 -0700
From: Eric Blake <ebb9 AT byu DOT net>
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.23) Gecko/20090812 Thunderbird/2.0.0.23 Mnenhy/0.7.6.666
MIME-Version: 1.0
To: cygwin AT cygwin DOT com
Subject: Re: 1.7] BUG - GREP slows to a crawl with large number of matches on a single file
References: <814i7o$49eopi AT dmzms99802 DOT na DOT baesystems DOT com>
In-Reply-To: <814i7o$49eopi@dmzms99802.na.baesystems.com>
X-IsSubscribed: yes
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id: <cygwin.cygwin.com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

According to Cooper, Karl (US SSA) on 11/6/2009 6:48 AM:
>> like LC_ALL=C grep or LC_ALL=C sed where possible. Please try this. 
> 
> I don't have Cygwin 1.5 for comparison, but the testcase provided does show grep using a long time on *my* Cygwin 1.7.
> And LC_ALL=C didn't seem to help:

LC_ALL=C still selects UTF-8 charset.  That's probably the culprit.  Try
LC_ALL=C.ASCII, to force the issue of a one-byte charset.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             ebb9 AT byu DOT net
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.9 (Cygwin)
Comment: Public key at home.comcast.net/~ericblake/eblake.gpg
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iEYEARECAAYFAkr0KjAACgkQ84KuGfSFAYCwmgCdHqUtDXEIw01uyjPKW1+lv2Sx
+AAAoNY++kRbZqAWYjpqWndTaFj2/y2F
=7bwZ
-----END PGP SIGNATURE-----

--
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

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019