View difference between Paste ID: TptXCUTD and GDetWce8

 local S_WOOD = 1
 local S_SAPLING = 2
 local S_MEAL = 3
 local S_DIRT = 15
-local SLEEP_TIME = 120
+
 local OS_VERSION = "CraftOS 1.6"
 
 local sleep_time = 120
 local qty_wood = 0
 local count_checked = 0
-  turtle.select(slot)
+
-  while turtle.getItemCount(slot) < n do
+local t = turtle
 
 function suckAllSapling()
   t.select(S_SAPLING)
   t.suck()
   t.suckUp()
   t.suckDown()
 end
-  local qty = turtle.getFuelLevel()
+
 function waitForEnoughItems(itemName, n, slot)
   t.select(slot)
-    turtle.select(slot)
+  while t.getItemCount(slot) < n do
-    turtle.refuel()
+
-    qty = turtle.getFuelLevel()
+
     os.pullEvent("turtle_inventory")
   end
 end
 
 function waitForEnoughFuel(minLevel, slot)
   local qty = t.getFuelLevel()
   local refuel = function()
     if qty > minLevel then return qty end
     t.select(slot)
     t.refuel()
     qty = t.getFuelLevel()
     print("fuel: ",qty)
-function isWood(direction)
+
-  turtle.select(S_WOOD)
+
-  if direction == "top" then
+
-    return turtle.compareUp()
+
     print(string.format("Insert fuel-items into slot %d: %d/%d", slot, qty, minLevel))
-    return turtle.compare()
+
     os.pullEvent("turtle_inventory")
   end
 end
 
-  turtle.select(S_WOOD)
+function sel(slot, func)
-  turtle.dig()
+  t.select(slot)
-  turtle.forward()
+  return func()
 end
-  while turtle.detectUp() do
+
-    turtle.digUp()
+function useMeals()
-    turtle.up()
+  while (not sel(S_WOOD, t.compare)) and (sel(S_MEAL, t.getItemCount) > 2) do
     t.select(S_MEAL)
     t.place()
   end
 end
-  turtle.select(S_SAPLING)
+
-  while not turtle.detectDown() do
+
   t.select(S_WOOD)
-      turtle.dig()
+  t.dig()
-      turtle.turnRight()
+  t.forward()
 
-    turtle.down()
+  while t.detectUp() do
     t.digUp()
     t.up()
   end
-function placeItem(slot, direction)
+
-  turtle.select(slot)
+
 function cutLeaves()
-    turtle.placeDown()
+  t.select(S_SAPLING)
   while not t.detectDown() do
-    turtle.place()
+
       t.dig()
       suckAllSapling()
       t.turnRight()
     end
-  turtle.select(S_DIRT)
+    t.down()
-  turtle.digDown()
+
-  turtle.down()
+
 
 function getSapling()
-    turtle.select(S_SAPLING)
+  t.select(S_DIRT)
-    turtle.suck()
+  t.digDown()
-    turtle.turnRight()
+  t.down()
 
   for i=1,4 do
-  turtle.up()
+    suckAllSapling()
-  placeItem(S_DIRT, "down")
+    t.turnRight()
-  turtle.back()
+
-  placeItem(S_SAPLING)
+
   t.up()
   sel(S_DIRT, t.placeDown)
   t.back()
   sel(S_SAPLING, t.place)
-  turtle.select(slot)
+
-  local n = turtle.getItemCount()
+
 function dropItem(slot, nLeaves)
   t.select(slot)
   local n = t.getItemCount()
   if n > nLeaves then
     if slot == S_WOOD then
-    return turtle.drop(n-nLeaves)
+
       print(qty_wood)
     end
     return t.drop(n-nLeaves)
   else
     return false, "No items to drop"
   end
-  turtle.select(slot)
+
-  local n = turtle.getItemSpace()
+
 function fillItemSlot(slot, direction)
-    return turtle.suckDown(n)
+  t.select(slot)
   local n = t.getItemSpace()
-    return turtle.suck(n)
+  if n < 1 then
     return false,"No space for items"
   else
     print("Item Space is ",n)
   end
-  turtle.back()
+
-  turtle.back()
+    return t.suckDown(n)
-  turtle.back()
+
-  turtle.turnRight()
+    return t.suck(n)
-  turtle.turnRight()
+
 end
 
 function repeatFunc(n, func)
-  if turtle.getFuelLevel() < 80 then
+  for i=1,n do
-    turtle.select(S_CCOAL)
+    func()
-    assert(turtle.refuel(1), "FuelLevel is low.")
+
 end
 
-  turtle.up()
+
-  turtle.up()
+  repeatFunc(3,t.back)
-  assert(dropItem(S_WOOD, 2), "The chest for woods is full.")
+  repeatFunc(2,t.turnRight)
 
-  turtle.down()
+
-  turtle.down()
+
-  turtle.turnLeft()
+  if t.getFuelLevel() < 80 then
     t.select(S_CCOAL)
     assert(t.refuel(1), "FuelLevel is low.")
   end
-  turtle.turnLeft()
+
-  turtle.forward()
+  repeatFunc(2,t.up)
-  turtle.forward()
+  local b_status, err_msg = dropItem(S_WOOD, 2)
-  turtle.forward()
+  if (not b_status) and (err_msg == "Inventory full") then
     assert(b_status, err_msg)
   end
 
   repeatFunc(2,t.down)
   t.turnLeft()
   dropItem(S_WOOD, 2)
   dropItem(S_SAPLING, 32)
 
   repeatFunc(2,t.turnLeft)
   fillItemSlot(S_MEAL)
 
   t.turnRight()
-  local isWood = isWood()
+  repeatFunc(3,t.forward)
-  if isWood or count_checked > 1 then
+
 
 -- main
 assert(os.version() == OS_VERSION, "required "..OS_VERSION)
 
 waitForEnoughItems("BirchWood", 1, S_WOOD)
 waitForEnoughItems("BirchSapling", 2, S_SAPLING)
-    if isWood then makeCoal() end
+
 waitForEnoughFuel(80, S_CCOAL)
 
-    print("It isn't wood.")
+
   if sel(S_MEAL, t.getItemCount) > 2 then
-  turtle.select(S_SAPLING)
+    sleep_time = 20
-  turtle.suckUp()
+
-  turtle.suckDown()
+    sleep_time = 120
-  turtle.suck()
+
-  os.sleep(SLEEP_TIME)
+  local limit = math.floor(300/sleep_time)
   if sel(S_WOOD, t.compare) or sel(S_MEAL, t.getItemCount) or count_checked>=limit then
     print("Start cutting.")
     useMeals()
     count_checked = 0
     cutWoods()
     cutLeaves()
     getSapling()
 
     if sel(S_WOOD, t.getItemCount)>32 then makeCoal() end
   else
     count_checked = count_checked+1
     print(string.format("It isn't wood: %d/%d",count_checked, limit))
   end
   suckAllSapling()
   os.sleep(sleep_time)
 end