Re: Return an exit code without os.exit()?

[Geoff Leyland <geoff_leyland@...>]

> > luacov does a trick with gc and a temporary file to get its  
> > save_stats
> > called on exit:
> ...
> > This doesn't seem to happen on os.exit() - I guess os.exit() forces
> > shutdown without gc?
>
> This will be addressed in Lua 5.2: os.exit will have an option to
> close the state (thus calling gc).

Thanks.  Can I gently propose that the return value from the top-level  
script gets turned into an exit code?  As you'll see from my message  
to Jerome, I don't know to turn a return value into an exit code in  
the general case, but I'm happy to stick to 0 and 1.