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Re: piping stderr and stdout to 2 different apps


From: Paul Jarc
Subject: Re: piping stderr and stdout to 2 different apps
Date: Fri, 11 Jan 2002 12:48:16 -0500
User-agent: Gnus/5.090005 (Oort Gnus v0.05) Emacs/20.7 (i386-redhat-linux-gnu)

William C Murnane <address@hidden> wrote:
> is there a [simple | non-simple way to pipe the stderr of one application
> to the stdin of the next? i want this to work on standard libs, so I
> can't just recompile the application generating the stderr.
>
> if possible, i would like stdout to go to another pipe.

This belongs on news:comp.unix.shell.
{ { writer | stdout-reader >&3 2>&4; } 2>&1 | stderr-reader; } 4>&2 3>&1
                           ^^^^^^^^                            ^^^^^^^^^
You can leave out these parts if you don't care about having
stderr-reader read stdout-reader's stdout and stderr sa well.


paul



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