function CouperArbre()
		i = 0
		while turtle.detect() == true do
			turtle.dig()
			if turtle.detectUp() == true then
				turtle.digUp()
			end
			turtle.up()
			i = i + 1
		end
		while i ~= 0 do
			turtle.down()
			i = i - 1
		end
	end

	function TestArbre()
		detect, bloc = turtle.inspect()
		if turtle.inspect() == false then
			return "vide"
		end
		if string.find(bloc.name, "sapling") ~= nil then
			return "sapling"
		end
		if string.find(bloc.name, "wood") ~= nil then
			return "wood"
		end
	end

	function Planter()
		turtle.select(12)
		turtle.place()
		end

	function SlotWood()
		for slot=1, 4 do
			turtle.select(slot)
			if turlte.getItemSpace() ~= 0 then
				slot = 4
			end
		end
	end

	function EviterSapling()
		if turtle.detectUp() == true then
			turtle.digUp()
		end
		turtle.up()
		if turtle.detect() == true then
			turtle.dig()
		end
		turtle.forward()
		if turtle.detect() == true then
			turtle.dig()
		end
		turtle.forward()
		if turtle.detectDown() == true then
			turtle.digDown()
		end
		turtle.down()
	end

	function CouperLigne(NbArbre)
		repeat
			if TestArbre() == "vide" then
				turtle.forward()
			end

			if TestArbre() == "wood" then
				SlotWood()
				CouperArbre()
			end

		until NbArbre == 0
	end

EviterSapling()