From: Ian Hilt <ihilt@mcgregor-surmount.com>
Date: Fri, 31 Oct 2008 20:11:27 GMT
Subject: Re: [PATCH] Avoid using non-portable `echo -n` in tests.
Message-ID: <20081031201127.GA21345@maintenance05.msc.mcgregor-surmount.com>
In-Reply-To: <200810312050.31167.fg@one2team.net>

On Fri, Oct 31, 2008 at 08:50:31PM +0100, Francis Galiegue wrote:
> Le Friday 31 October 2008 19:39:33 Jeff King, vous avez écrit :
> [...]
> >
> > Agreed, and actually I found such a bashism (test ==) last week (though
> > of course it also broke on FreeBSD).
> >
> 
> As for bash-isms, a hunt for $(...) also looks necessary...
> 
> $ grep -rl '\$([^)]\+)' $(find -type f)|wc -l
> 272
> 
> Unless I'm mistaken (and I probably am), the $(...) construct is 
> bash-specific, isn't it?

Nope.  Read section 2.6.3 Command Substitution here,

<http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html>