Date: Sun, 18 Jan 2004 04:19:04 -0800 From: "Lee Mx" <lee_ver_mx@hotmail.com> To: kline@thought.org Cc: freebsd-questions@freebsd.org Subject: Re: stumped... . Message-ID: <BAY8-F19VjBUKv1pKcq000206e6@hotmail.com>
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> > > 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 $0}' < foo > bar
> > >
> >
> > Wouldn't it be neater to do
> >
> > nawk '/^PATTERN/ { exit } ; { print }'
Couldn't sed '/^PATTERN/,$d' < foo > bar be a bit faster?
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