Date: Tue, 30 Dec 2008 12:51:31 -0800 From: Gary Kline <kline@thought.org> To: Roland Smith <rsmith@xs4all.nl> Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: well, blew it... sed or perl q again. Message-ID: <20081230205131.GA34211@thought.org> In-Reply-To: <20081230201623.GB65659@slackbox.xs4all.nl> References: <20081230193111.GA32641@thought.org> <20081230201623.GB65659@slackbox.xs4all.nl>
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On Tue, Dec 30, 2008 at 09:16:23PM +0100, Roland Smith wrote: > On Tue, Dec 30, 2008 at 11:31:14AM -0800, Gary Kline wrote: > > The problem is that there are many, _many_ embedded > > "<A HREF="http://whatever>; Site</A> in my hundreds, or > > thousands, or files. I only want to delete the > > "http://<junkfoo.com>" lines, _not_ the other Href links. > > > > Which would be best to use, given that a backup is critical? > > sed or perl? > > IMHO, perl with the -i option to do in-place editing with backups. You > could also use the -p option to loop over files. See perlrun(1). > > Roland All right, then is this the right syntax. In other words, do I need the double quotes to match the "http:" string? perl -pi.bak -e 'print unless "/m/http:/" || eof; close ARGV if eof' * gary > -- > R.F.Smith http://www.xs4all.nl/~rsmith/ > [plain text _non-HTML_ PGP/GnuPG encrypted/signed email much appreciated] > pgp: 1A2B 477F 9970 BA3C 2914 B7CE 1277 EFB0 C321 A725 (KeyID: C321A725) -- Gary Kline kline@thought.org http://www.thought.org Public Service Unix http://jottings.thought.org http://transfinite.thought.org The 2.17a release of Jottings: http://jottings.thought.org/index.php
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