Change PS1 when running as administrator

[Ernie Rael]

On 6/17/2014 9:34 AM, Andrey Repin wrote:

>>       [[ $(id -G) =~ \b544\b ]]
>> was suggested (the suggestion used symbolic name instead of a number and
>> didn't use word boundary). Seems like word boundary is needed, but I
>> couldn't get this to work. Are the regex boundary matchers not
>> supported  by bash =~ operator?
> I don't think bash equivalent of test implements Perl RE.
> Neither the base test implementation, to that extent.

I thought, perhaps incorrectly, that \b has been around forever and is 
posix.

In any event, looks like

     [[ $(id -G) =~ (^| )544($| ) ]]

would work.

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