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Date: Tue, 27 Apr 2010 07:52:25 +0400
From: Andrey Chernov <ache@nagual.pp.ru>
To: Jilles Tjoelker <jilles@FreeBSD.ORG>
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Cc: svn-src-head@FreeBSD.ORG, svn-src-all@FreeBSD.ORG,
	src-committers@FreeBSD.ORG
Subject: Re: svn commit: r207206 - head/bin/sh
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On Sun, Apr 25, 2010 at 08:43:19PM +0000, Jilles Tjoelker wrote:
> Author: jilles
> Date: Sun Apr 25 20:43:19 2010
> New Revision: 207206
> URL: http://svn.freebsd.org/changeset/base/207206
> 
> Log:
>   sh: Use stalloc for arith variable names.
>   
>   This is simpler than the custom memory tracker I added earlier, and is also
>   needed by the dash arith code I plan to import.

Just wonder, do you have plans to implement ${!variable} sometimes?
This bashism is very useful:

VAR_a1=foo
x=VAR_a1
echo ${!x}

-- 
http://ache.pp.ru/