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From: les@chinet.chi.il.us (Leslie Mikesell)
Newsgroups: comp.unix.questions
Subject: Re: Piping into two processes simultaneously
Message-ID: <1990Sep11.034811.14492@chinet.chi.il.us>
Date: 11 Sep 90 03:48:11 GMT
References: <7053@milton.u.washington.edu> <1990Sep06.150939.18741@chinet.chi.il.us> <17680:Sep1021:08:2890@kramden.acf.nyu.edu>
Distribution: usa
Organization: Chinet - Chicago Public Access UNIX
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In article <17680:Sep1021:08:2890@kramden.acf.nyu.edu> brnstnd@kramden.acf.nyu.edu (Dan Bernstein) writes:

>Even if your system does have FIFOs, it's a bad idea to use tee to pipe
>into two processes at once. If one of the processes blocks, tee will
>block after a pipeful.

The same thing would happen with a simple pipe to the slower process.  Why
is this a problem?

>Using multitee (under BSD) is much more sensible.

Does multitee just use larger buffers than pipes or is something else involved?

Les Mikesell
  les@chinet.chi.il.us