chat commands

cmd = peripheral.wrap("left")
chat = peripheral.wrap("right")
while true do
  local event, player, message, side = os.pullEvent("endernet_chat_message")
  if message:sub(1,12):lower() == "teleport to " then
    x = message:sub(13,#message)
    cmd.setCommand("tpx "..player.." "..x)
    cmd.runCommand()
    print("Teleported: "..player.."to: "..x)
  end
  if message:sub(1,12):lower() == "take me home" then
    cmd.setCommand("tpx "..player.." 0 218 41 358")
    cmd.runCommand()
    print("Teleported: "..player.." Home successfully")
  end
  if message:sub(1,5):lower()=="time " then
    cmd.setCommand("time set "..message.." 0")
    cmd.runCommand()
  end
end