On Tue, Nov 26, 2013 at 7:21 AM, Edward Peschko <horo...@gmail.com> 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="`whoami`@`hostname`" > > 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 assignment: PS1='`whoami`@`hostname`'