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From: Brian Patrie <bpatrie@bellsouth.spamisicky.net>
Newsgroups: comp.unix.shell
Subject: Re: bash prompt question
Date: Mon, 23 Sep 2024 03:07:07 -0500
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Chris Elvidge wrote:
 > try export PS1='\[\e[1;35m\]\u@\h -\d- ${text} \W\[\e[00m\]\$ '

In bash (and most shells), PS1, etc do not need to be exported; as long 
as they're set in .bashrc, they will be set in every interactive bash 
session.  Moreover, exporting them will make a mess in sh:

   $ export PS1='\[\e[1;35m\]\u@\h -\d- ${text} \W\[\e[00m\]\$ '
   foh@enceladus -Mon Sep 23-  ~$ sh
   \[\e[1;35m\]\u@\h -\d-  \W\[\e[00m\]$

sh (and its clones)--which don't support an rc file--are, of course, the 
exception to this rule.