From: Michal Nazarewicz <mina86@tlen.pl>
Date: Sun, 10 May 2009 11:33:30 GMT
Subject: Re: [PATCH 2/2] completion: enhance "current branch" display
Message-ID: <87my9lnqet.fsf@erwin.mina86.com>
In-Reply-To: <200905101259.07175.j6t@kdbg.org>

Johannes Sixt <j6t@kdbg.org> writes:

> On Sonntag, 10. Mai 2009, Junio C Hamano wrote:
>>  				b="$(cut -c1-7 "$g/HEAD" 2>/dev/null)..." ||
>
> While you are here, you could turn this line into
>
> 		{ b=$(< "$g/HEAD") && b=${b:0:7}...; } 2>/dev/null ||
>
> to save a process. $(< foo) is a bash feature and does the same as
> $(cat foo), but faster.

Excuse me this little cavil but how about something that works on other
shells as well:

{ read b <$g/HEAD && _b=${b#???????} && b=${b%"$_b"}... && unset _b }

-- 
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 ..o | Computer Science,  Michal "mina86" Nazarewicz   (o o)
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