From: segal@morgan.com (Morris M. Siegel)
To: Zefram <A.Main@dcs.warwick.ac.uk>
Cc: hzoli@cs.elte.hu, zsh-users@math.gatech.edu, schaefer@nbn.com
Subject: Re: Bug in case stmt with '('
Date: Mon, 22 Jul 1996 17:56:15 -0400 [thread overview]
Message-ID: <9607221756.ZM3691@morgan.com> (raw)
In-Reply-To: Zefram <A.Main@dcs.warwick.ac.uk> "Re: Bug in case stmt with '('" (Jul 22, 10:27pm)
On Jul 22, 10:27pm, Zefram wrote:
> Subject: Re: Bug in case stmt with '('
> >I confess to having forgotten about the empty pattern. Using null syntax
> >to implicitly denote the empty pattern in a script doesn't enhance readability
> >in any case, and I think zsh syntax would be safer and less confusing if the
> >empty pattern had to be denoted with the explicit syntax "()".
>
> Does POSIX require that a completely empty pattern be allowed? sh and
> ksh don't like it, and zsh only allows it where there's a |. I don't
> see any problem with producing a parse error, and requiring an explicit
> empty pattern.
>
> -zefram
>-- End of excerpt from Zefram
To tell the truth, I have no idea what POSIX says about empty patterns.
It seems that your views on the subject coincide with mine.
-- Morrie Siegel
next prev parent reply other threads:[~1996-07-22 21:59 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
1996-07-17 21:01 Morris M. Siegel
1996-07-18 18:27 ` Bart Schaefer
1996-07-18 23:43 ` Zoltan Hidvegi
1996-07-19 2:23 ` Bart Schaefer
1996-07-19 16:00 ` Zoltan Hidvegi
1996-07-21 22:53 ` Morris M. Siegel
1996-07-22 6:31 ` Bart Schaefer
[not found] ` <schaefer@candle.brasslantern.com>
1996-07-22 19:26 ` Morris M. Siegel
1996-07-22 19:51 ` Zoltan Hidvegi
1996-07-22 20:48 ` Morris M. Siegel
1996-07-22 21:27 ` Zefram
1996-07-22 21:56 ` Morris M. Siegel [this message]
1996-07-22 21:51 ` Bart Schaefer
1996-07-22 21:23 ` Zefram
1996-07-22 22:31 ` Morris M. Siegel
1996-07-22 23:37 ` Bart Schaefer
1996-07-24 16:07 ` Morrie is off for July 25 Morris M. Siegel
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