# File karel/robot_world.rb, line 266 def save_world(filename) file = File.new(filename, "w") file.puts "KarelWorld" @Beepers.keys.each do |key| put_line(file, "beepers", key[0], key[1], @Beepers[key]) end @EastWestWalls.keys.each{|key| put_line(file, "eastwestwalls", key[0], key[1], key[1]) } @NorthSouthWalls.keys.each{|key| put_line(file, "northsouthwalls", key[1], key[0], key[0]) } file.close nil end