On Thu, Mar 23, 2006 at 03:07:08PM +0100, Jules Colding wrote:
> On Thu, 2006-03-23 at 14:36 +0100, Toby 'qubit' Cubitt wrote:
> > > > >Having an SSH session on another machine and forgetting ll about it.
> > > > >
> > > > >Please forgive my stupidity here.
> > > > >
> > > > >Sorry,
> > > > > jules
> > > > >
> > > > I thought only I could do that. Funny ain't it?
> > >
> > > Not when you do it in public ;-)
> >
> > I used to give the shell prompts different colours on different
> > machines to help avoid this. Or rather, the local one would always be
> > the same colour, but shells under ssh sessions were colour-coded by
> > machine.
> >
> > I've lost the script I wrote for this somewhere in the mists of time
> > (if I remember right, it was copied and hacked from a bash prompt
> > example that colour-coded according to the login type: ssh, telnet,
> > local, etc.)
> >
> > Someday I might get round to recreating it...
>
> That would be helpful.
Here you go. It also checks if you're root. Save it as something
suitable somewhere in your $PATH, (e.g. ~/bin/bash_prompt), modify to
suit your setup, then do:
source ~/bin/bash_prompt
colour_code_prompt
unset colour_code_prompt
either from the shell or in your .bashrc to load it.
Use at your own risk, since I've only just written it, and haven't
tested it very heavily! (When I've used it a bit to check it works
properly, I might document it a bit and put it on my web site.)
Toby
--------------
bash_prompt:
--------------
#!/bin/bash
function colour_code_prompt
{
# set up some colour escape variables
BLUE="\[\033[1;34m\]"
GREEN="\[\033[1;32m\]"
CYAN="\[\033[1;36m\]"
RED="\[\033[1;31m\]"
MAGENTA="\[\033[1;35m\]"
YELLOW="\[\033[1;33m\]"
WHITE="\[\033[1;37m\]"
GREY="\[\033[00m\]"
# if logged in via ssh, choose colours according to host and user
if [ -n "$SSH_CLIENT" ]; then
if [ "$EUID" == "0" ]; then
case "$(hostname -f)" in
box1.some.domain)
COLOUR1=$RED
COLOUR2=$GREEN
;;
box2*)
COLOUR1=$RED
COLOUR2=$YELLOW
;;
*)
COLOUR1=$RED
COLOUR2=$MAGENTA
;;
esac
else
case "$(hostname -f)" in
box1.some.domain)
COLOUR1=$GREEN
COLOUR2=$CYAN
;;
box2*)
COLOUR1=$YELLOW
COLOUR2=$BLUE
;;
*.some.other.domain)
COLOUR1=$CYAN
COLOUR2=$RED
;;
*)
COLOUR1=$MAGENTA
COLOUR2=$BLUE
;;
esac
fi
# if logged in locally as root, use different colours
elif [ "$EUID" == "0" ]; then
COLOUR1=$RED
COLOUR2=$BLUE
# otherwise, use default colours
else
COLOUR1=$GREEN
COLOUR2=$BLUE
fi
# set the prompt
export PS1="[EMAIL PROTECTED] $COLOUR2\w \$ $GREY"
}
--
PhD Student
Quantum Information Theory group
Max Planck Institute for Quantum Optics
Garching, Germany
email: [EMAIL PROTECTED]
web: www.dr-qubit.org
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