From: Chet Ramey <chet.ramey@case.edu>
To: Martijn Dekker <martijn@inlv.org>, dash@vger.kernel.org
Cc: chet.ramey@case.edu
Subject: Re: [BUG] 'trap' is not quite POSIX compliant
Date: Mon, 15 Feb 2016 13:46:43 -0500 [thread overview]
Message-ID: <56C21D13.1000506@case.edu> (raw)
In-Reply-To: <56BF4F91.7080105@inlv.org>
On 2/13/16 10:45 AM, Martijn Dekker wrote:
> By the way, dash and zsh, as well as bash in non-POSIX mode, also accept
> the counterintuitive and non-POSIX-compliant form "trap EXIT" to unset
> the trap, but other shells don't: bash (POSIX), yash and ksh93 produce
> an error, while mksh/lksh silently ignore that form. What a mess...
The `trap EXIT' is historical Bourne shell behavior, though Posix makes it
an error.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/
prev parent reply other threads:[~2016-02-15 18:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-13 15:45 [BUG] 'trap' is not quite POSIX compliant Martijn Dekker
2016-02-13 16:08 ` Harald van Dijk
2016-02-15 18:46 ` Chet Ramey [this message]
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