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From:  Eric Blake <ebb9@byu.net>
Subject:  Re: bug: $? after empty command
Date: Thu, 9 Jul 2009 21:41:51 +0000 (UTC)
Message-ID:  <loom.20090709T214040-336@post.gmane.org>
References:  <loom.20090709T130223-845@post.gmane.org> <20090709154124.2cd2a227@news01> <loom.20090709T210453-932@post.gmane.org>
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Eric Blake <ebb9 <at> byu.net> writes:

> But just from inspection,
> it looks like it does not cover these related issues, which are both required
> by POSIX to output 0:
> 
> $ zsh -c 'false; . /dev/null; echo $?'
> 1
> $ zsh -c 'false; ``; echo $?'
> 1

And another one that POSIX requires to output 0:

$ zsh -c 'false; sleep& echo $?'
1

-- 
Eric Blake