added README

[mpdhero.git] / classes.rb

class Array
        def shuffle!
                size.downto(1) { |n| push delete_at(rand(n)) }
                self
        end
        def swap!(a, b)
                self[a], self[b] = self[b], self[a]
        end
        def random()
                at rand size
        end
        def time()
                inject(0) do |sum, track|
                        sum += track.time.to_i
                end
        end
end

class MPD
        def move_pairs(*map)
                command_list_begin
                for x in map
                        unless x.first == x.last
                                command("moveid #{x.first} #{x.last}")
                        end
                end
                command_list_end
        end
        public :connect
end