Path: utzoo!attcan!uunet!elroy.jpl.nasa.gov!swrinde!zaphod.mps.ohio-state.edu!rpi!batcomputer!theory.tn.cornell.edu!christos
From: christos@theory.tn.cornell.edu (Christos S. Zoulas)
Newsgroups: comp.unix.ultrix
Subject: Re: set x=`stty speed` still fails on Ultrix 4.1
Message-ID: <1991Feb27.190445.9065@batcomputer.tn.cornell.edu>
Date: 27 Feb 91 19:04:45 GMT
References: <1991Jan30.073059.19868@watcgl.waterloo.edu>
Sender: news@batcomputer.tn.cornell.edu
Organization: Electrical Engineering, Cornell University, Ithaca NY
Lines: 22
Nntp-Posting-Host: theory.tn.cornell.edu

In article <1991Jan30.073059.19868@watcgl.waterloo.edu> idallen@watcgl.waterloo.edu (Ian! D. Allen [CGL]) writes:
>Another Ultrix bug I thought would have been fixed years ago.
>
>  % set x=`stty speed`
>  stty: : Not a typewriter
>
>This happens because stty normally does its ioctl's on stdout and prints
>on stderr.  The other Unix systems I use are smart enough to fiddle with
>the units so that you can use `stty speed` to actually find out the baud
>rate of your tty in a shell script.  You'll find that no combination of
>i/o redirection (even using units in /bin/sh) will work on Ultrix.

This is not true...

% set x=`sh -c "stty everything 2>&1 > /dev/tty" | awk '{ if ( $1 == "speed" ) print( $2 ); }'`

christos
-- 
+------------------------------------------------------------------------+
| Christos Zoulas         | 389 Theory Center, Electrical Engineering,   |
| christos@ee.cornell.edu | Cornell University, Ithaca NY 14853.         |
| christos@crnlee.bitnet  | Phone: (607) 255 0302 |  Fax: (607) 254 4565 |