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> From: Roberto Ierusalimschy []
> > Is this second returned value any useful? Even if the child process
> > running the command terminates with a signal, the shell running it will
> > terminate normally, and that will be the status returned by pclose.
> > It seems that almost always the type of exit will a "normal" exit.
> I have used shells that exec the last command in a script. Seems useful because you save one fork.
> And even if they dont do it you can still call io.popen( "exec cmd" ).

It makes sense. Thanks,

-- Roberto