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Re: continuously evaluated prompts/environmental variables

From: Pierre Gaston
Subject: Re: continuously evaluated prompts/environmental variables
Date: Tue, 26 Nov 2013 10:38:14 +0200

On Tue, Nov 26, 2013 at 7:21 AM, Edward Peschko <address@hidden> wrote:

> All,
> I was wondering if there was a way to make an environmental variable
> be evaluated each time it was accessed. In other words, with:
> export PS1="address@hidden"
> This works for the first time that the prompt is evaluated, what I
> would like to have is a prompt to be continuously evaluated, so that
> if whoami or hostname changes, the prompt changes along with it.

Actually this works only once but when the prompt is defined.
Use single quotes so that the expansions are not done during the variable

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