From: "Bartosz Dziewoński" <matma.rex@...>
Date: 2012-05-16T00:46:22+09:00
Subject: Re: Option Parser with an optional flag/switch for last argument

Yes, just use the ARGV as if you would without using OptionParser;
once it has parsed everything it recognizes, it will leave the rest of
arguments in ARGV.

-- Matma Rex