Path: utzoo!news-server.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!ukc!pyrltd!root44!gwc
From: gwc@root.co.uk (Geoff Clare)
Newsgroups: comp.unix.shell
Subject: Re: ksh prompt
Message-ID: <2648@root44.co.uk>
Date: 7 Mar 91 13:13:43 GMT
References: <1772@brchh104.bnr.ca> <1991Feb28.173758.21195@en.ecn.purdue.edu> <57517@mcdchg.chg.mcd.mot.com> <1991Mar4.133215.12269@cbnews.att.com>
Organization: UniSoft Ltd., London, England
Lines: 15

lvc@cbnews.att.com (lawrence.v.cipriani) writes:

>Why not use "${@:-''}" instead of ${*:-''} ?

Neither of these correctly preserve the argument list.  In fact "${@:-''}"
will pass two single quotes when there are no arguments, so it's even
worse than plain "$@" which just passes an empty string.

The only way (as far as I'm aware) to get it right in all cases is:

    ${1+"$@"}

-- 
Geoff Clare <gwc@root.co.uk>  (Dumb American mailers: ...!uunet!root.co.uk!gwc)
UniSoft Limited, London, England.   Tel: +44 71 729 3773   Fax: +44 71 729 3273