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Re: I/O redirection problem in "zsh"

X-seq: zsh-workers 17911
From: Zefram <zefram@xxxxxxxx>
To: Matthias Scheler <tron@xxxxxxxxx>
Subject: Re: I/O redirection problem in "zsh"
Date: Wed, 6 Nov 2002 10:10:50 +0000
Cc: Borzenkov Andrey <Andrej.Borsenkow@xxxxxxxxxxxxxx>, zsh-workers@xxxxxxxxxx
In-reply-to: <20021025114451.GB28474@xxxxxxxxxxxxxxxx>
Mailing-list: contact zsh-workers-help@xxxxxxxxxx; run by ezmlm
References: <20021025104047.GA27855@xxxxxxxxxxxxxxxx> <6134254DE87BD411908B00A0C99B044F03A0B4B6@MOWD019A> <20021025114451.GB28474@xxxxxxxxxxxxxxxx>

Matthias Scheler wrote:
>Is there a better portable way to redirect stderr to the pipe but
>ignore stdout?

	{ command... 2>&1 >/dev/null; } | another-command...

Brace grouping effectively stops multios being accumulated, so later
redirections have their normal non-multio effect.  There's also

	command... 2>>( another-command... ) >/dev/null

-zefram

References:
- I/O redirection problem in "zsh"
  - From: Matthias Scheler
- RE: I/O redirection problem in "zsh"
  - From: Borzenkov Andrey
- Re: I/O redirection problem in "zsh"
  - From: Matthias Scheler

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