[email protected] wrote:
> Having the information in an env variable would make it useful in
> scripts.  The only thing I'm not sure of is can the $RDOMAIN variable be
> used to show the current rdomain in the prompt? (which is my use case)
> If it's not possible to use an env variable in the PS1 prompt, then does
> it make sense to have both?  Doing a quick test with 'export
> PS1="$RANDOM \h\\$ "' then running 'echo $RANDOM' multiple times, value
> in the prompt is static, but the output of echo behaves as expected.  Is
> my test valid?

that's because of the quoting.  $RANDOM gets substituted once in before
PS1 is defined.  If you change the quoting to preserve the variable,
then is re-executed each time

        % PS1='$RANDOM % '
        11102 %
        24319 %
        24714 %
        12763 %
        16127 %
        28099 %


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