Re: optparse question: how to warn of missing positional arguments

Ryan Davis <[email protected]>
Newsgroups gmane.comp.lang.ruby.general
Message-ID <[email protected]>

> On Mar 22, 2019, at 15:26, Artie Ziff <[email protected]> wrote:
> 
> This example really help wrap my head around the moving parts. 
> In fact, I am able to omit the block: opts.on('-h’)

I wouldn’t. The main difference is `exit 0` vs `exit 1`.

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