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From: pinkas@mipos3.UUCP (Israel Pinkas)
Newsgroups: comp.emacs
Subject: Re: Undesirable command line echoing in GNUmacs shells
Message-ID: <371@mipos3.UUCP>
Date: Thu, 15-Jan-87 20:45:42 EST
Article-I.D.: mipos3.371
Posted: Thu Jan 15 20:45:42 1987
Date-Received: Fri, 16-Jan-87 21:39:41 EST
References: <8701142109.AA21111@EDDIE.MIT.EDU>
Reply-To: pinkas@mipos3.UUCP (Israel Pinkas)
Organization: Intel, Santa Clara, CA
Lines: 36

>I've noticed that when running M-x shell under GNU Emacs, each command
>line gets repeated, e.g.,
>
>	% echo Hello
>	echo Hello
>	Hello
>	% 
>
>From the prompt, you can probably quess that the environment variable
>SHELL has been set to /bin/csh.  
>
>Now watch what happens when I change SHELL to be /bin/ksh.
>
>	$ echo Hi
>	Hi
>	$ 
>
>Voila!  The echoing of the command line disappears.
>
>Plausible conclusion:  This has something to do with csh.

I noticed that this happend to me as well.  I am using Gnu 17.64, under
Ultrix (version does not matter).  I traced the problem to running tset in
my .cshrc file.  Since prompt gets set when running csh under emacs, I had
to move tset to my .login.  (Checking whether prompt is set is the
recommended way for testing for interactive shells.)

The symptoms that I got were that all commands echoed, and that there was a
^M at the end of every line.  (Probably caused by the traslation to CR-LF.)

-Israel
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