Change PS1 when running as administrator

[Eric Blake]

On 06/17/2014 11:19 AM, Ernie Rael wrote:
> 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.

Forever in Linux, but not required by POSIX and not present in BSD (from
which Cygwin inherits its regex implementation).

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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