-- by gera, public domain local file_path = minetest.get_worldpath() .. "/online_players.txt" function erase_player_list()  minetest.safe_file_write(file_path , "") end function dump_player_list()  local players = minetest.get_connected_players()  local str = ""  for i = 1, #players do  str = str .. players[i]:get_player_name() .. "\n"  end  minetest.safe_file_write(file_path, str) end minetest.register_on_mods_loaded(erase_player_list) minetest.register_on_joinplayer(dump_player_list) minetest.register_on_leaveplayer(dump_player_list) minetest.register_on_shutdown(erase_player_list)