ComputerCraft Sort

print ("||||||||||||||||||||||||")
print ("Checking Fuel...")
beforeFuel = turtle.getFuelLevel()
if beforeFuel<50 then
	print ("Fuel is very low! Console will refuel using 3 coal in the top left slot.")
		turtle.select(1)
		if turtle.refuel(3) then
			print ("Current fuel level: " .. turtle.getFuelLevel())
			print ("Please restart the program to contine sorting.")
		else
			print ("No coal to refuel with./n Please put 3 coal in the top left slot of the turtle and restart the program.")
		end
else
	print ("Plenty of fuel.")
	print ("Sorting started...")
	turtle.forward()



	turtle.select(13)
	if turtle.compare() then
		turtle.select(9)
		turtle.up()
		turtle.drop()
	else
		turtle.select(14)
		if turtle.compare() then
			turtle.select(10)
			turtle.up()
			turtle.drop()
		else
			turtle.select(15)
			if turtle.compare() then
				turtle.select(11)
				turtle.up()
				turtle.drop()
			else
				turtle.select(16)
				if turtle.compare() then
					turtle.elect(12)
					turtle.up()
					turtle.drop()
				else
					print ("There is an error. The block identifyer for the FIRST chest is not included in the system. Console will ignore this batch and continue sorting.")
					turtle.up()
				end
			end
		end
	end
	turtle.up()
	turtle.up()



	turtle.select(13)
	if turtle.compare() then
		turtle.select(9)
		turtle.up()
		turtle.drop()
	else
		turtle.select(14)
		if turtle.compare() then
			turtle.select(10)
			turtle.up()
			turtle.drop()
		else
			turtle.select(15)
			if turtle.compare() then
				turtle.select(11)
				turtle.up()
				turtle.drop()
			else
				turtle.select(16)
				if turtle.compare() then
					turtle.elect(12)
					turtle.up()
					turtle.drop()
				else
					print ("There is an error. The block identifyer for the SECOND chest is not included in the system. Console will ignore this batch and continue sorting.")
					turtle.up()
				end
			end
		end
	end
	turtle.up()
	turtle.up()



	turtle.select(13)
	if turtle.compare() then
		turtle.select(9)
		turtle.up()
		turtle.drop()
	else
		turtle.select(14)
		if turtle.compare() then
			turtle.select(10)
			turtle.up()
			turtle.drop()
		else
			turtle.select(15)
			if turtle.compare() then
				turtle.select(11)
				turtle.up()
				turtle.drop()
			else
				turtle.select(16)
				if turtle.compare() then
					turtle.elect(12)
					turtle.up()
					turtle.drop()
				else
					print ("There is an error. The block identifyer for the THIRD chest is not included in the system. Console will ignore this batch and continue sorting.")
					turtle.up()
				end
			end
		end
	end
	turtle.up()
	turtle.up()



	turtle.select(13)
	if turtle.compare() then
		turtle.select(9)
		turtle.up()
		turtle.drop()
	else
		turtle.select(14)
		if turtle.compare() then
			turtle.select(10)
			turtle.up()
			turtle.drop()
		else
			turtle.select(15)
			if turtle.compare() then
				turtle.select(11)
				turtle.up()
				turtle.drop()
			else
				turtle.select(16)
				if turtle.compare() then
					turtle.select(12)
					turtle.up()
					turtle.drop()
				else
					print ("There is an error. The block identifyer for the FOURTH chest is not included in the system. Console will ignore this batch and continue sorting.")
					turtle.up()
				end
			end
		end
	end

	turtle.turnRight()
	turtle.turnRight()
	turtle.forward()
	turtle.turnLeft()
	turtle.turnLeft()

	turtle.down()
	turtle.down()
	turtle.down()
	turtle.down()
	turtle.down()
	turtle.down()
	turtle.down()
	turtle.down()
	turtle.down()
	turtle.down()

	afterFuel = turtle.getFuelLevel()
	totalUsedFuel = beforeFuel-afterFuel

	print ("Sorting sucsessful!")
	print ("========================")
	print ("Fuel started with:  | " .. beforeFuel)
	print ("Fuel ended with:    | " .. afterFuel)
	print ("--------------------+---")
	print ("Total used fuel:    | " .. totalUsedFuel)
	print ("========================")
	print ("||||||||||||||||||||||||")
end