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From: j@uriah.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: FreeBSD cmd line editor / text editor recommends?
Date: 27 Jun 1996 20:11:52 GMT
Organization: Private BSD site, Dresden
Lines: 33
Message-ID: <4qupu8$9p@uriah.heep.sax.de>
References: <4psnen$p9h@hermes.athenet.net> <87g27wffhr.fsf@plm.xs4all.nl>
<4qak2g$ef@anorak.coverform.lan>
Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch)
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brian@awfulhak.demon.co.uk (Brian Somers) wrote:
> I assert that you are wrong.
>
> answer=
> echo ksh | read answer
> test -n "$answer" && { echo $answer; exit; }
> answer=notbash
> answer=\${answer#not}
> answer=`(eval echo $answer) 2>/dev/null`
> test -z "$answer" && echo sh || echo bash
>
> This script only tests for ksh, sh and bash. If zsh is both bourne
> and ksh compatible, what does this script say when run ?
Shell Answer
bsh sh (True Bourne Shell, SVR4)
ash sh (Almquist Shell, /bin/sh in 4.4BSD)
ksh ksh (True Korn Shell, SVR4)
pdksh bash (public domain Korn Shell)
bash bash
zsh ksh
:-)
--
cheers, J"org
joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)