Message-ID: <496F3344.9060104@draigBrady.com>
Date: Thu, 15 Jan 2009 12:59:48 +0000
From: =?ISO-8859-1?Q?P=E1draig_Brady?= <P@draigBrady.com>
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To: =?ISO-8859-1?Q?M=E5ns_Rullg=E5rd?= <mans@mansr.com>
CC: linux-kernel@vger.kernel.org, linux-embedded@vger.kernel.org
Subject: Re: PATCH [0/3]: Simplify the kernel build by removing perl.
References: <200901020207.30359.rob@landley.net> <200901021026.37905.a.miskiewicz@gmail.com> <20090102094934.GB17841@infradead.org> <495DE995.1070002@opensde.org> <yw1x3ag2t2gd.fsf@thrashbarg.mansr.com>
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M?ns Rullg?rd wrote:
> Alejandro Mery <amery@opensde.org> writes:
> 
>> I think the $(( ... )) bash-ism can be replaced with a simple .c helper toy.
> 
> The $(( ... )) construct is standard POSIX shell syntax, see
> http://www.opengroup.org/onlinepubs/000095399/utilities/xcu_chap02.html#tag_02_06_04
> 
> Bash supports $[ ... ] as an alternate syntax for the same thing.
> Perhaps you were thinking of that.

I think the misconception that $(( ... )) is a bashism is caused by
the wrong highlighting defaults chosen by vim. To fix this add this to ~/.vimrc

let g:is_posix = 1

That will also allow you to use the $(command) POSIX construct.
BTW, the vim syntax maintainers don't agree with changing this default:
http://groups.google.com/group/vim_dev/browse_thread/thread/41139a32772b2f5f

cheers,
P?draig.
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