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Date: Sun, 15 Jun 2003 12:11:41 -0400
From: Pavol Juhas <juhas@seas.upenn.edu>
To: zsh-users@sunsite.dk
Subject: Re: How to redirect stderr to a pipe and stdout to a file?
Message-ID: <20030615161141.GA23206@seas.upenn.edu>
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References: <20030615125030.GA4042@s.chello.no>
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On Sun, Jun 15, 2003 at 02:50:30PM +0200, Haakon Riiser wrote:
> In bash, I could always do
> 
>   $ ls INVALID . 2>&1 >/dev/null | less
> 
> to send stderr:
> 
>   ls: INVALID: No such file or directory
> to the less buffer and stdout to /dev/null.  When I use the
> same command in zsh 4.0.6, _both_ stderr and stdout is sent
> to less.  If I remove "| less" from the command, it works as it
> should:  stdout is discarded and stderr is sent to the terminal.
...

You need to 
    setopt no_multios
and the redirection would work as expected.  For explanation
see the MULTIOS section in zshmisc(1).

HTH,

Pavol