Gaydar

chat = peripheral.wrap("back")
detector = peripheral.wrap("bottom")

while true do
  event, username, message = os.pullEvent("chat")
  if message ~= nil and message ~= "" then
    words = {}
       for word in message:gmatch("%S+") do
         table.insert(words, word)
       end
       words[1] = string.lower(words[1])
       if words[1] == "gaydar" and words[2] ~= nil then
         target = words[2]
         pos = detector.getPlayerPos(target)
       if pos ~= nil then
         response = target .. ": " .. pos["x"] .. ", " .. pos["y"] .. ", " .. pos["z"]
         chat.sendMessageToPlayer(response, username)
         print("-> " .. username .. ": " .. response)
      end
    end
  end
end