View difference between Paste ID: mHU0Uhb6 and sgKSxgHK

 local wood, sapling = 1, 2
 local treeHeight = 0
 local treeCount = 0
 local plantCount = 6
 
 function tRefuel()
 	while turtle.getFuelLevel() < 200 do
 		turtle.select(wood) --charcol in this slot
 		turtle.refuel(1)
 		print("Refueled")
 	end
 	print( "Fuel Level: ", turtle.getFuelLevel() )
 end
 
 function tF()
 	while not turtle.forward() do
 		-- turtle blocked from moving forward
 		print( "Turtle blocked from moving forward" )
 		sleep(3) -- wait 3 seconds to let mob move away
 	end
 end
 
 function tVacume()
 	for i = 1, 4 do
 		turtle.turnLeft()
 		turtle.suck()
 	end
 	turtle.suckUp() -- in case a sapling fell on turtle's head:D
 end
 
 
 
 while true do
 	tRefuel()
 	print( "Tree Count: ", treeCount )
 	-- check all trees for any that have grown
 	for i = 1, plantCount do
 		turtle.turnRight()
 		turtle.select(wood)
 		-- if the tree has grown
 		if turtle.compare() then
 			-- harvest the tree
 			treeCount = treeCount + 1
 			while turtle.compare() do
 				turtle.dig()
 				if turtle.detectUp() then
 					turtle.digUp()
 				end
 				turtle.up()
 				treeHeight = treeHeight + 1
 			end
 			-- return to the ground
 			-- if blocked, dig
 			while treeHeight > 0 do
 				if turtle.down() then
 					treeHeight = treeHeight - 1
 				else
 					turtle.digDown()
 				end
 			end
 			-- plant a new sapling
 			turtle.select(sapling)
 			turtle.place()
 		else
 			turtle.select(sapling)
 			if not turtle.compare() then
 				turtle.place()
 			end
 		end
 		-- move to next tree location
 		turtle.turnLeft()
 		tVacume()
 		tF()
 		tVacume()
 		tF()
 		tVacume()
 		tF()
 		tVacume()
 		tF()
 		tVacume()
 	end
 	-- round the corner
 	tF()
 	-- dump excess items into chest if a chest is present
 	if turtle.detect() then
 		for i = 3, 16 do
 			turtle.select(i)
 			turtle.drop()
 		end
 		print( "Dropped off Excess Items")
 	end
 	turtle.turnRight()
 	tF()
 	tF()
 	turtle.turnRight()
 	tF()
 	sleep(60) -- wait for trees to grow and saplings to fall
 end