GNU bug report logs - #9961
non-empty ~/.emacs_SHELLNAME causes multiple shell prompts

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Message #18 received at 9961 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Glenn Morris <rgm <at> gnu.org>
Cc: 9961 <at> debbugs.gnu.org
Subject: Re: bug#9961: Subject: 24.0.91; shell prompt doubled
Date: Tue, 25 Aug 2020 15:13:37 +0200

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(I think I sent this one prematurely once already; sorry.)

Glenn Morris <rgm <at> gnu.org> writes:

> This issue occurs since at least Emacs 21.1.
> If you have a non-empty ~/.emacs_bash file, eg one that contains just:
>
> #comment
>
> and do M-x shell with the bash shell, then you get an extra N copies of
> your prompt, as the N lines of ~/.emacs_bash are fed to the shell by
> comint-exec.

This bug is still present in Emacs 28, although it looks a bit different
now:

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I poked around to see whether there's any easy way to fix this: Like a
way to say to comint "send this to the process, but discard the output",
but there doesn't seem to be?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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