Re: Need blocking /dev/null
Abramo Bagnara (abramo@alsa-project.org)
Thu, 01 Nov 2001 08:52:46 +0100
Doug McNaught wrote:
>
> Riley Williams <rhw@MemAlpha.cx> writes:
>
> > Are you sure?
> >
> > > find / -name "wanted-but-lost-download" | eat
> >
> > Doesn't work - you're piping the stdin there, not stderr as per my
> > example above. AFAIK, there's no way to pipe stderr without also piping
> > stdout, hence this sort of solution just doesn't work.
>
> The Bourne shell is more perverse than you realize:
>
> $ exec 3>&1; find / -name "wanted-but-lost-download" 2>&1 1>&3 3>&- | eat
>
> [stolen from "Csh Programming Considered Harmful" by Tom Christiansen]
>
> Horrible, but does work. ;)
$ find / -name "wanted-but-lost-download" 2>&1 1>&0 | eat
is simpler although dependent on stdin being a tty
--
Abramo Bagnara mailto:abramo@alsa-project.org
Opera Unica Phone: +39.546.656023
Via Emilia Interna, 140
48014 Castel Bolognese (RA) - Italy
ALSA project http://www.alsa-project.org
It sounds good!
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/