Date: Sat, 17 Jan 2004 21:16:57 -0800 From: Gary Kline <kline@thought.org> To: Rob <listone@deathbeforedecaf.net> Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: stumped... . Message-ID: <20040118051657.GC68597@tao.thought.org> In-Reply-To: <007d01c3dd7d$d0917530$a4b826cb@goo> References: <20040118030911.GA18161@tao.thought.org> <20040117215110.R602@grond.sourballs.org> <007d01c3dd7d$d0917530$a4b826cb@goo>
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On Sun, Jan 18, 2004 at 03:14:50PM +1030, Rob wrote:
> David Fleck wrote on Sunday January 18, 2004:
>
>
> > On Sat, 17 Jan 2004, Gary Kline wrote:
> >
> > >
> > > I've written scores of scripts to hack text files, but this
> > > one has me dead in the water.
> > >
> > > How can I delete all lines from /^PATTERN to EOF??
> > >
> > > ed - <<foo
> > >
> > > /^PATTERN
> > > (.,$)d
> > > w
> > > q
> > > foo
> > >
> > > or anything else I've tried doesn't do it. I could do it in
> > > C/C++,but c'mon... ! Any solutions in sed, perl, or ed/ex?
> >
> > Well, you didn't mention awk, but...
> >
> >
> > awk '$0 ~ /^PATTERN/ {x=1}; {if (x!=1) print $0}' < foo > bar
> >
>
> Wouldn't it be neater to do
>
> nawk '/^PATTERN/ { exit } ; { print }'
>
> ?
Seems like this takes fewer keystrokes... I don't know
much awsk, but is there a way of feeding awk a cmd if
the cont returns true? Say:
cmd1 | awk '{print $9}' == 'foo.c'
then
echo "Found foo.c"
mv foo.c ~/C_file
END
it's mostly like a perl hack, tho.
anyway, thanks, gents,
gary
--
Gary Kline kline@thought.org www.thought.org Public service Unix
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