gistfile1.rb

def pm(object)
  identifiers = %w[ + - > ]
  
  list =
    case (object)
    when Class:
      puts "#{object} (Class)"
      [
        (object.methods.sort - Class.methods),
        (object.private_methods.sort - Class.private_methods),
        (object.protected_methods.sort - Class.protected_methods)
      ]
    else
      puts object.class
      [
        (object.methods.sort - Object.instance_methods),
        (object.private_methods.sort - Object.private_instance_methods),
        (object.protected_methods.sort - Object.protected_instance_methods)
      ]
    end

  list.each_with_index do |methods, i|
    methods.group_by { |v| v.sub(/[^\w]$/, '') }.values.each do |method_group|
      puts " %s %s" % [ identifiers[i], method_group.join(', ') ]
    end
  end

  list.flatten.length - 1
end