plugin1.rb

require 'yaml'

class Plugin
  class << self; attr :plugins; end
  @plugins = []

  def initialize opts = nil
    if opts
      opts.each do |k,v|
        instance_variable_set('@' + k, v)
      end
    end
  end

  def self.generate path, opts = nil
    Dir["#{path}/**/*.yml"].each do |file|
      filebase = File.basename(file, '.yml')
      if opts.has_value?(filebase) || opts.has_key?(filebase.to_sym)
        options = YAML::load( File.open(file))

        @plugins << klass = Object.const_set(filebase.capitalize, Class.new(Plugin))
    
        klass.module_eval do
          @@options = options
        end   
      end
    end
  end

  def self.options
    @@options
  end
end

Plugin::generate('.', :name => "selman")
p Plugin.plugins
p Name.options