Re: Unix question: how to display SID and path in prompt

• Philip Douglass <philipd_at_sirs.com>

> The substring extraction of $PWD is ksh specific. You could do it other
> ways, but this way it uses ksh builtins, so it is _fast_

bash and most recent sh imlementations also support the ksh-style variable munging. bash makes it even simpler by adding escape sequences for PS1:

    \u = user
    \h = host
    \W = basename( $PWD )
    \$ = '#' if SU else '$'.

so:

    PS1='\u@\h:\W \$ ';

gives username_at_hostname:dirname $ for normal users or ending with '#' if you are SU.

--
Steven Lembark                               2930 W. Palmer
Workhorse Computing                       Chicago, IL 60647
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Author: Steven Lembark
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