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Re: [Nmh-workers] Exit status when argument is -version

From: Lyndon Nerenberg
Subject: Re: [Nmh-workers] Exit status when argument is -version
Date: Wed, 6 Jun 2012 09:59:12 -0700

On 2012-06-06, at 9:39 AM, Ken Hornstein wrote:

> AFAICT ... it's always been that way.  We didn't have -version back in
> MH-6.8.5, but at least as far as our sources go back (1999) -version has
> always exited with an exit code of 1.
> Should it?  I dunno ... what do people think?

The current behaviour is just plain wrong.  At the very least it violates the 

It should return 0 if it succeeds in printing the version.  This allows for 
things like 'scan -version >/dev/null 2>&1 || echo MH not found' as a quick and 
cheap test to see if MH is in the user's $PATH.

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