Attack Loop

-- config
local KillCount = 0
local WaitStage = 0
local Unloaded = 0

-- functions
function clear()
  term.clear()
  term.setCursorPos(1,1)
end

local function waiting()
  if WaitStage == 0 then
    print("Waiting")
    WaitStage = WaitStage+1
  elseif WaitStage == 1 then
    print("Waiting.")
    WaitStage = WaitStage+1
  elseif WaitStage == 2 then
    print("Waiting..")
    WaitStage = WaitStage+1
  elseif WaitStage == 3 then
    print("Waiting...")
    WaitStage = 0
  end
end

local function readout()
    clear()
    print("Swings Taken: " .. KillCount )
    print("Unloaded Items: " .. Unloaded )
end

local function unload()
    for n=1,4 do
        Unloaded = Unloaded + turtle.getItemCount(n)
        turtle.select(n)
        turtle.dropUp()
        readout()
    end
    turtle.select(1)
end

-- run code
clear()
while true do
  if turtle.attack() == true then
    KillCount = KillCount+1
    unload()
  else
    readout()
    waiting()
    os.sleep(.25)
  end
end