From: Junio C Hamano <gitster@pobox.com>
Date: Wed, 03 Oct 2007 21:47:01 GMT
Subject: Re: [PATCH] Add test case for ls-files --with-head
Message-ID: <7vodffdg6i.fsf@gitster.siamese.dyndns.org>
In-Reply-To: <Pine.LNX.4.64.0710032238080.28395@racer.site>

Johannes Schindelin <Johannes.Schindelin@gmx.de> writes:

>> $ for i in {1,2,3,4,5}{0,1,2,3,4,5,6,7,8,9}; do echo $i; done
>> {1,2,3,4,5}{0,1,2,3,4,5,6,7,8,9}
>> $
>
> AFAIK this is the same as bash (I thought I was the last one to make that 
> mistake 10 years ago).  As long as you do not have _files_ matching the 
> pattern, it does not expand.  And besides, this is too complicated anyway: 
> [1-5] is much shorter than {1,2,3,4,5}.

AFAIK, you are wrong ;-)

{1,2,3,4,5} expands regardless of what's on the filesystem but I
do not think it is POSIX.

[1-5] matches if any of the {1,2,3,4,5} is found on the
filesystem.