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List:       centos
Subject:    Re: [CentOS] Getting the return value of the last command run
From:       Robert Nichols <rnicholsNOSPAM () comcast ! net>
Date:       2011-05-31 1:24:53
Message-ID: is1g16$lhq$1 () dough ! gmane ! org
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On 05/30/2011 05:14 PM, fred smith wrote:
> Yes, all commands return a value UNLESS it was written by one of the
> idi,... er, misguided programmers who thinks its ok to write (in
> C):
>
> void main (void)
> 	{
> 	...
> 	exit();
> 	}
>
> because, of course, in C main() always returns SOMETHING.
>
> I'm sure it's the same in a bash script, even if the script doesn't
> explicitly provide a return value I imagine the shell returns something
> anyway, it's just that it's meaningless when that happens.

In a bash script, "exit" with no parameter and just falling off the end
of the script are both equivalent to "exit $?" and return the status
from the last command or shell construct executed in the script.

-- 
Bob Nichols     "NOSPAM" is really part of my email address.
                 Do NOT delete it.

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