Prompt containing SSH login information

Ruben de Groot mail25 at
Tue Nov 24 11:19:51 UTC 2009

On Tue, Nov 24, 2009 at 05:10:38AM +0100, Polytropon typed:
> Hi,
> again, a strange question: I'd like to know if there is a builtin
> means to let the csh's (or bash's) prompt show an information if
> the current dialog session has been opened via SSH from another
> system. The obvious is:
> 	me at sys1:~% ssh me at sys2
> 	me at sys2:~% _
> I'd like the second prompt that I've been logged into sys2 by
> sys1, such as
> 	me at sys1>sys2:~% _
> or reverse
> 	me at sys2<sys1:~% _
> or something similar, like the complex form with different user
> names, such as
> 	me at sys1:~% ssh bob at sys2
> 	me at sys1>bob at sys2:~% _
> Is this possible with the means given by the shell? I read "man
> csh", but found nothing that would fit.
> Maybe it's not possible (because not intended)...

In tcsh there's the REMOTEHOST env variable. Don't know about bash.
Something like:

set prompt = "${USER}@${HOST}>${REMOTEHOST}> "

should do it?


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