From: Peter Lane <peter.c.r.lane@...>
Date: 2011-11-30T08:37:23+09:00
Subject: Re: Simple optparser problem

When you write:

  opts.on('-d', '--database', 'comments go here') do |x|
    options[:database] = x
  end

'x' will be set to 'true', not the input value you expect.  If you want 
flags with values, you need to include a "VAL" placeholder:

  opts.on('-d VAL', '--database VAL', 'comments go here') do |x|
    options[:database] = x
  end

Then 'x' will hold the value after the -d flag.

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