From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?utf-8?Q?S=C3=A9bastien_Vauban?= <wxhgmqzgwmuf-geNee64TY+gS+FvcfC7Uqw@public.gmane.org>
Subject: [Babel] Marker does not point anywhere (when session buffer needs to
 be created)
Date: Fri, 15 Oct 2010 17:41:25 +0200
Message-ID: <80r5fr79ay.fsf@mundaneum.com>
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* Marker does not point anywhere

Executing the following:

#+begin_src sh :session NoSuchSessionYet
cd ~
ls *.txt
#+end_src

outputs this in *Messages*:

: executing Sh code block...
: think it is Cygwin...
: ~=20
: ansi-color-process-output: Marker does not point anywhere

when executed for the *first* time. All subsequent executions don't exhibit
this error (currently, they hang, but that's another story).

My prompt is colored -- I need it, really!  *None* of the =3Dls=3D results =
are
colored, though (in this above case: =3Dls ~/*.txt=3D).

Can we fix this somehow?

Test the following, and you'll see you need a colored prompt as well, if not
yet convinced:

#+begin_src sh :tangle .sva-bashrc
#*** Controlling the Prompt

# define some colors
RED=3D'\e[1;31m'
GREEN=3D'\e[1;32m'
NO_COLOR=3D'\e[0m'

# my format of the prompt
function my_prompt_command ()
{
    # colorful prompt, based on whether the previous command succeeded or n=
ot
    if [[ $? -eq 0 ]]; then
        HILIT=3D${GREEN}
    else
        HILIT=3D${RED}
    fi

    # replace the $HOME prefix by ~ in the current directory
    if [[ $HOME =3D=3D ${PWD:0:${#HOME}} ]]; then
        NEWPWD=3D"~${PWD:${#HOME}}"
    else
        NEWPWD=3D$PWD
    fi

    # how many characters of the $PWD should be kept
    local pwd_max_length=3D15

    if [[ ${#NEWPWD} -gt $pwd_max_length ]]; then
        local pwd_offset=3D$(( ${#NEWPWD} - $pwd_max_length ))
        NEWPWD=3D"...${NEWPWD:$pwd_offset:$pwd_max_length}"
    fi

    # prompt character
    if [[ $(whoami) =3D "root" ]]; then
        local PROMPTCHAR=3D"#"
    else
        local PROMPTCHAR=3D">"
    fi

    case $TERM in
        dumb)  # for Tramp?
            setenv PS1 "[\u@\h] ${NEWPWD}${PROMPTCHAR}"
            ;;
        *)
            setenv PS1 "\n\[${HILIT}\][\u@\h] ${NEWPWD}${PROMPTCHAR}\[${NO_=
COLOR}\]"
            ;;
    esac
}

# shell prompt
setenv PROMPT_COMMAND my_prompt_command
echo ""
#+end_src

Best regards,
  Seb

--=20
S=C3=A9bastien Vauban


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