Zsh Mailing List Archive
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Re: I/O redirection problem in "zsh"

On Fri, Oct 25, 2002 at 01:44:52PM +0200, Matthias Scheler wrote:
> On Fri, Oct 25, 2002 at 03:16:13PM +0400, Borzenkov Andrey wrote:
> > This ambiguous. Both > and | mean redirection of stdout.
> Is there a better portable way to redirect stderr to the pipe but
> ignore stdout?

I can't actually think of a way. Anyone else? If you are trying to
write a portable script, note that zsh will unset the multios
option when told to emulate sh.

If there isn't a way, perhaps we should make it so that:

  grep localhost /etc/hosts fasel 2>&1 1>/dev/null | cat -b
is different from
  grep localhost /etc/hosts fasel 2>&1 >/dev/null | cat -b

with the 1 causing it to move file-descriptor 1 instead of adding
another output for the pseudo-tee process.


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