From: Dan Nelson <dnelson@allantgroup.com>
To: x x <pbyrne76@hotmail.com>
Cc: zsh-users@sunsite.dk
Subject: Re: exec problem
Date: Tue, 26 Nov 2002 11:51:47 -0600 [thread overview]
Message-ID: <20021126175147.GE26808@dan.emsphone.com> (raw)
In-Reply-To: <F79APNXRPmcarcR4ZDg00026268@hotmail.com>
In the last episode (Nov 26), x x said:
> In 4.0.4 when I issue an 'exec' and zsh can't find the executable it
> simply terminates without warning. This is surly not desirable
> behaviour.
>
> In bash the shell first checks to see if the command is available and
> executable and if not it issues an appropriate error message. The
> following function approximates the bash bahaviour.
I think bash is in the minority here (and also seems to be wrong when
run as /bin/sh). Bourne sh, ksh, zsh, and ash all exit the shell on
exec failure. See
http://www.opengroup.org/onlinepubs/007904975/utilities/exec.html for
the X/Open description of the exec command.
--
Dan Nelson
dnelson@allantgroup.com
next prev parent reply other threads:[~2002-11-26 17:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-26 13:31 x x
2002-11-26 16:55 ` John Buttery
2002-11-26 17:51 ` Dan Nelson [this message]
2002-11-26 17:41 x x
2002-11-26 18:38 ` John Buttery
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