Re: [PATCH] Avoid using dc in git-count-objects

From

Matthias Urlichs <smurf@smurf.noris.de>

Date

Oct 27, 2005, 08:50 UTC

Message-ID

<pan.2005.10.27.08.49.59.849081@smurf.noris.de>

In-Reply-To

<20051026083658.GE30889@pasky.or.cz>

Hi, Petr Baudis wrote:

> Dear diary, on Wed, Oct 26, 2005 at 10:33:33AM CEST, I got a letter
> where Johannes Schindelin <Johannes.Schindelin@gmx.de> told me that...
>> Aargh! I had the impression "expr" was a builtin... Just forget about the 
>> patch, okay?
> 
> I think that builtin or not, $() will always spawn a subshell. ...?

It'll fork a subshell, but if the $() is a builtin, it won't exec.

That being said, "echo $((1 + 2 + $((3 + 4))))" will not even fork.

-- 
Matthias Urlichs   |   {M:U} IT Design @ m-u-it.de   |  smurf@smurf.noris.de
Disclaimer: The quote was selected randomly. Really. | http://smurf.noris.de
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