X-Recipient: archive-cygwin@delorie.com X-SWARE-Spam-Status: No, hits=-0.3 required=5.0 tests=AWL,BAYES_00,SARE_MSGID_LONG40,SPF_PASS X-Spam-Check-By: sourceware.org MIME-Version: 1.0 In-Reply-To: <814i7o$49eric@dmzms99802.na.baesystems.com> References: <20091106135152.GK26344@calimero.vinschen.de> <814i7o$49eric@dmzms99802.na.baesystems.com> Date: Fri, 6 Nov 2009 15:22:47 -0700 Message-ID: <806a89db0911061422l290ff84u3d58cbbe1d3eface@mail.gmail.com> Subject: Re: 1.7] BUG - GREP slows to a crawl with large number of matches on a single file From: Jim Reisert AD1C To: cygwin@cygwin.com Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com On Fri, Nov 6, 2009 at 7:12 AM, Cooper, Karl (US SSA) wrote: > Corinna Vinschen wrote: >> Or try LANG=3DC.ASCII since LANG=3DC will still return UTF-8 as charset >> when calling nl_langinfo(CHARSET). > > Yes, this solves it: > > $ time LC_ALL=3DC.ASCII grep dog testfile | wc > =A0100000 =A0900000 4500000 > > real =A0 =A00m0.359s > user =A0 =A00m0.279s > sys =A0 =A0 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=3DC.ASCII ! --=20 Jim Reisert AD1C, , 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