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Gnu screen in emacs shell mode: how to fix color escape codes

From: Leo Alekseyev
Subject: Gnu screen in emacs shell mode: how to fix color escape codes
Date: Fri, 14 Jan 2011 09:59:55 +0000 (UTC)
User-agent: Loom/3.14 (

I would like to attach screen inside emacs, in shell mode. I often find myself
running emacs with inferior processes inside screen on remote servers; it would
be nice if I could shift the workflow to local emacs + TRAMP; ability to
reattach persistent sessions is a must, however. (Such workflow is particularly
useful for analysis in R, cf

Shell-mode is rather desirable because I keep encountering miscellaneous
glitches and even crashes when using the combination of M-x term or M-x
ansi-term + screen + R. However, I can't seem to get rid of ansi colored
rendered as escape codes in screen when run under M-x shell. When I use
ansi-color-for-comint-mode-on, they are fine -- but as soon as screen comes on,
it becomes a horrible mess.

Can anyone suggest a set of conditions for proper interpretation of ansi color
with shell + screen?  Some TERM=... or termcap/info magic?..  What about getting
rid of color altogether?.. 



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