Guard

local turtleId
local isWirelessTurtle
local messageOutputFileName



isWirelessTurtle = peripheral.isPresent("right")
if (isWirelessTurtle == true) then
  turtleId = os.getComputerLabel()
  rednet.open("right")
end

function writeMessage(message)
    print(message)

    -- If this turtle has a modem, then write the message to red net
    if (isWirelessTurtle == true) then
      if (turtleId == nil) then
        rednet.broadcast(message)
      else
        -- Broadcast the message (prefixed with the turtle's id)
        rednet.broadcast("[".. turtleId.."] "..message)
      end
    end

    if (messageOutputFileName ~= nil) then
      -- Open file, write message and close file (flush doesn't seem to work!)
      local outputFile = io.open(messageOutputFileName, "a")
      outputFile:write(message)
      outputFile:write("\n")
      outputFile:close()
    end
end

while true do
        if turtle.attack()
            then writeMessage("Mob Detected and Dispatched")
        end
end