From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Hilt <ihilt@mcgregor-surmount.com>
Subject: Re: [PATCH] Avoid using non-portable `echo -n` in tests.
Date: Fri, 31 Oct 2008 16:11:27 -0400
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To: Francis Galiegue <fg@one2team.net>
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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 =E9crit=A0:
> [...]
> >
> > Agreed, and actually I found such a bashism (test =3D=3D) last week=
 (though
> > of course it also broke on FreeBSD).
> >
>=20
> As for bash-isms, a hunt for $(...) also looks necessary...
>=20
> $ grep -rl '\$([^)]\+)' $(find -type f)|wc -l
> 272
>=20
> Unless I'm mistaken (and I probably am), the $(...) construct is=20
> bash-specific, isn't it?

Nope.  Read section 2.6.3 Command Substitution here,

<http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.htm=
l>