RE: Bashrc distinguish between mintty and x-windows xterm

["Buchbinder, Barry (NIH/NIAID) [E]" <BBuchbinder at niaid dot nih dot gov>]

Andy sent the following at Monday, May 21, 2012 8:39 PM
>My bashrc sets the color of the prompt depending on $TERM. My x-windows
>xterm has a white background and the cygwin default terminal, which has
>a black background, use to not have $TERM=xterm. I could distinguish
>between them in the bashrc script, and set the prompt colours
>accordingly. Now with mintty emulating an xterm, $TERM takes on the
>string "xterm" (but it has a black background). I would like to find a
>simple bash script way to tell the difference between when bashrc is
>being called from a mintty versus an actual x-windows xterm. Can anyone
>suggest a way?

(Not totally tested.  YMMV.)

# Only set ThisTerm if not set.
if [ -z "${ThisTerm}" ]
then
  if [ ${PPID} = 1 ]
  then
    ThisTerm=cmd
  else
    if [ "$(cat /proc/${PPID}/exename)" = '/usr/bin/mintty' ]
    then
      ThisTerm=mintty
    else
      # not minty, not cmd, so xterm
      ThisTerm=xterm
    fi
  fi
fi

Then set colors by the value of ThisTerm.

- Barry
  Disclaimer: Statements made herein are not made on behalf of NIAID.

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