From: Kacper Kornet Date: Fri, 06 May 2011 08:39:37 GMT Subject: Re: [PATCH] t1507: change quoting in test_did_you_mean to a more general one Message-ID: <20110506083937.GA3719@camk.edu.pl> In-Reply-To: <7vsjss6hmf.fsf@alter.siamese.dyndns.org> On Thu, May 05, 2011 at 01:02:16PM -0700, Junio C Hamano wrote: > Kacper Kornet writes: > > In bash and some other shells the script: > > x=2; unset a; echo "${a:-'$x'}" > > prints '2'. However ksh shell prints $x. The quoting is added to > > reproduce bash behaviour. > What I happen to have in /usr/bin/ksh > $ /usr/bin/ksh --version > version sh (AT&T Research) 93t+ 2009-05-01 > does not seem to have this issue. > Whose ksh is this It is pdksh 5.2.14 from http://www.cs.mun.ca/~michael/pdksh/ > It is broken. You are right. It is corrected in mksh, which claims to be a successor to pdksh. Unfortunately pdksh is used by default as /bin/sh in PLD Linux Distribution which are use. Probably the time to think about the change of this default. -- Kacper Kornet