From: Alexey Tourbin <at@altlinux.ru>
To: ALT Linux Team development discussions <devel@lists.altlinux.org>
Subject: Re: [devel] IFS="()" read
Date: Wed, 3 Oct 2007 02:04:25 +0400
Message-ID: <20071002220425.GO6159@solemn.turbinal> (raw)
In-Reply-To: <9713cfcc0710021454w3b2d8a55lb8b9456c54f7ac67@mail.gmail.com>
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On Wed, Oct 03, 2007 at 12:54:05AM +0300, Led wrote:
> 03.10.07, Alexey Tourbin <at@altlinux.ru>:
> >
> > $ echo 'executable(cat)' |sh -c 'IFS="()" read t r; echo $t $r'
> > executable cat
> > $ echo 'executable(cat)' |ash -c 'IFS="()" read t r; echo $t $r'
> > executable cat
> > $ echo 'executable(cat)' |ksh -c 'IFS="()" read t r; echo $t $r'
> > executable cat)
> > $
> >
> > Какой из шеллов "на самом деле" прав?
> > http://www.opengroup.org/onlinepubs/007908799/xcu/chap2.html
>
> Если перед "read ..." ставить ";" или поставить его с новой строки, то
> все шеллы правы.
Но некоторые правее. :)
$ echo 'executable(cat)' |ksh -c 'IFS="()"; read t r; echo $t $r'
executable cat
$ echo 'executable(cat)' |zsh -c 'IFS="()"; read t r; echo $t $r'
executable cat)
$
Похоже на явный глюк в ksh -- типа IFS "не полностью присваивается".
(А zsh вообще особо не претендует на совместимость...)
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next prev parent reply other threads:[~2007-10-02 22:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-02 21:26 Alexey Tourbin
2007-10-02 21:54 ` Led
2007-10-02 22:04 ` Alexey Tourbin [this message]
2007-10-02 22:20 ` Alexey Tourbin
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