Clear Area

local length = 0
local width = 0

turtle.select(1)
print("How long do you want the tunnel?")
length = io.read()
print("How wide do you want the tunnel?")
width = io.read()
length = tonumber(length)
width = tonumber(width)

for h=1, width do
	for i=1, length-2 do
		if i < length then
			turtle.dig()
			turtle.forward()
		end

		if turtle.detectUp() then
			turtle.digUp()
		end

		if turtle.detectDown() then
			turtle.digDown()
		end

		if (turtle.getItemCount(16) >= 1) then     --Drop items into a chest
			turtle.select(3)
			turtle.placeDown()
			for slot=4, 16 do
				turtle.select(slot)
				turtle.dropDown()
			end
			turtle.select(1)
		end

		if (h==1 or h%4==0) then		--Place a torch
			if i%8==0 then
				turtle.select(2)
				turtle.placeDown()
				turtle.select(1)
			end
		end

		if (turtle.getFuelLevel() <= 1) then
			turtle.refuel(1)
		end

	end

	turtle.dig()
	turtle.forward()
	turtle.digUp()
	turtle.digDown()

	if h%2==0 then
		turtle.turnLeft()
	else
		turtle.turnRight()
	end

	turtle.dig()
	turtle.forward()
	turtle.digUp()
	turtle.digDown()

	if h%2==0 then
		turtle.turnLeft()
	else
		turtle.turnRight()
	end

	turtle.dig()
	turtle.forward()
	turtle.digUp()
	turtle.digDown()

end