sample_configuration

--someboolean
--someoption "Foo bar baz."
--someotheroption "bar."

slop_patch_for_configuration.rb

# I wanted to have a configuration file for my Slop options,
# but Slop doesn't support this by default, anything specified
# in ARGV should have higher priority over the config file.

class Slop
  alias :option_core :option
  def option(*args, &block)
    args << {} unless args.last.is_a? Hash
    key = (args.first.is_a? Symbol and args[1].is_a? Symbol) ? args[1] : args.first
    args.last[:default] = $default[key] if $default.has_key? key
    return option_core(*args, &block)
  end
end