From: Robert Klemme <bob.news@...>
Date: 2005-05-11T17:25:27+09:00
Subject: Re: options parsing: required and conflict

Kirill Shutemov wrote:
> Can I define options dependencies using OptionParser?
> For example: if user defines option --option-a than he has to define
> option --option-b or --option-c and mustn't define --option-d and
> --option-e.
> Is it possible?

I would check these constraints after all options have been parsed.  Nobu
might have a more elegant approach at hand, but I think, you can check
them only after you saw all options because order might differ.

Kind regards

    robert