On Monday 30 January 2006 23:08, Jean Delvare wrote:
> Hi Andreas,
>
> [Jean Delvare]
>
> > > - -e '/^$/Q' \
> > > + -ne '/^$/q;p' \
>
> [Andreas Grünbacher]
>
> > Objection. You git the semantics wrong:
> >
> > $ echo 'a' | sed -e '/a/Q'
> > $ echo 'a' | sed -e '/a/p;q'
> >
> > > a
> > > a
>
> But:
>
> $ echo 'a' | sed -ne '/a/q;p'
> $
Ah, I've overlooked the -n. So that version is correct, too. Options are
global though, so please don't put -n in the middle of some expressions.
Also, could you please split up -e '/^$/q;p' into -e '/^$/q' and -e 'p'?
> $ set -e '/^$/{d;q}' < test.txt
sed instead of set would have worked here.
Thanks,
Andreas.
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