Turtle ramasse miettes

local longueurs = 0

function compareDig()
  turtle.turnLeft()
  turtle.select(1)
  if not turtle.compare() then
    turtle.select(2)
    if not turtle.compare() then
      turtle.select(3)
      if not turtle.compare() then
        turtle.select(4)
        if not turtle.compare() then
          turtle.select(5)
          if not turtle.compare() then
            turtle.select(6)
            if not turtle.compare() then
              turtle.select(7)
              if not turtle.compare() then
                turtle.select(8)
                if not turtle.compare() then
                  turtle.dig()
                end
              end
            end
          end
        end
      end
    end
  end
  turtle.turnRight()
end

while true do
  while not turtle.detect() do
    compareDig()
    turtle.forward()
  end
  turtle.turnRight()
  longueurs = longueurs + 1
  if longueurs == 4 then
    longueurs = 0
    turtle.down()
  end
end