well, blew it... sed or perl q again.
kline at thought.org
Tue Dec 30 22:18:55 UTC 2008
On Tue, Dec 30, 2008 at 10:16:42PM +0100, Roland Smith wrote:
> On Tue, Dec 30, 2008 at 12:51:31PM -0800, Gary Kline wrote:
> > 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' *
> You don't need the quotes (if the command doesn't contain anything that
> your shell would eat/misuse/replace). See perlop(1).
i have, thanks; getting more clues... .
> This will disregard the entire line with a URI in it. Is this really
> what you want?
exactly; anything that has http://WHATEVER i do not want to
copy. the slight gotcha is if the </A> LIne // tag is on the
folowing line. but in most cases the whole anchor,
close-anchor of these junk lines is on one line. ...i know
a closing tag does nothing; it's just sloppy markup.
> Copy some of the files you want to scrub to a separate directory, and
> run tests to see if your script works:
> mkdir mytest; cp foo mytest/; cd mytest; perl -pi.bak ../scrub.pl foo
> diff -u foo foo.bak
thanks much to you and giorgos. i thought about doing this
by-hand, but only for about 0.01s!
> 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 at thought.org http://www.thought.org Public Service Unix
The 2.17a release of Jottings: http://jottings.thought.org/index.php
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