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Message-ID: <53A078BD.9020402@raelity.com>
Date: Tue, 17 Jun 2014 10:19:57 -0700
From: Ernie Rael <err AT raelity DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: Change PS1 when running as administrator
References: <1402994703 DOT 51470 DOT YahooMailNeo AT web172206 DOT mail DOT ir2 DOT yahoo DOT com> <53A06B0D DOT 9050806 AT raelity DOT com> <1195111819 DOT 20140617203419 AT yandex DOT ru>
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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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