From: Zoltan Hidvegi <hzoli@cs.elte.hu>
To: schaefer@nbn.com
Cc: A.Main@dcs.warwick.ac.uk, zsh-workers@math.gatech.edu
Subject: Re: 8-bit patch for zle_tricky.c
Date: Mon, 20 May 1996 20:36:16 +0200 (MET DST) [thread overview]
Message-ID: <199605201836.UAA05688@bolyai.cs.elte.hu> (raw)
In-Reply-To: <960520100350.ZM22705@candle.brasslantern.com> from Bart Schaefer at "May 20, 96 10:03:49 am"
> } > Adding it to $IFS has no effect in this matter, because zsh does not do
> } > field splitting on normal words. (It should, at least if SH_WORD_SPLIT
> } > is set.)
> }
> } I do not think so. Neither bash nor ksh93 does this. Look:
> }
> } % ksh
> } $ count () { echo $# ; }
> } $ IFS=/
> } $ count as/df/gh
> } 1
> }
> } SH_WORD_SPLIT only changes the result of substitutions.
>
> zsh% /bin/sh
> $ IFS=/
> $ echo/bar
> bar
> $ exit/1
> zsh% echo $?
> 1
> zsh%
Yes, the original Bourne Shell used IFS in the lexer to separate words but
I think that this does not conform the POSIX Shell and Utilities standard.
Also it may be a security hole if IFS is exported. That's why bash and
ksh does not use IFS here, and zsh should not use it either.
Zoltan
next prev parent reply other threads:[~1996-05-20 18:59 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
1996-05-18 11:51 Zefram
1996-05-19 22:34 ` Zoltan Hidvegi
1996-05-20 15:58 ` Zefram
1996-05-20 17:21 ` Zoltan Hidvegi
1996-05-20 17:03 ` Bart Schaefer
1996-05-20 18:36 ` Zoltan Hidvegi [this message]
1996-05-20 21:09 ` Zefram
1996-05-20 22:43 ` Hrvoje Niksic
1996-05-20 22:55 ` Zefram
1996-05-20 23:08 ` Hrvoje Niksic
1996-05-20 23:36 ` Zefram
1996-05-20 17:54 ` Zefram
1996-05-20 22:25 ` Hrvoje Niksic
1996-05-20 1:01 ` Zoltan Hidvegi
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