On Thu, May 05, 2011 at 01:02:16PM -0700, Junio C Hamano wrote:
> Kacper Kornet <draenog@xxxxxxxxxxxxx> 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
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