block, typ = turtle.inspect()

-- Cut down the tree
function rodung()
  turtle.dig()
  turtle.forward()
  while turtle.detectUp() do
    turtle.digUp()
    turtle.up()
  end
  while not turtle.detectDown() do
    turtle.down()
  end
  turtle.back()
end

--planting the sapling
function pflanzen()
  turtle.select(16)
  turtle.place()
  turtle.select(1)
end
-- Warning to put saps in Slot 16
function hinweis()
  print("Bitte Setzlinge in Slot 16")
end

hinweis()
while true do
-- compares the block in front with "minecraft:log"
  if block == true then
    for k,v in pairs(typ) do
-- if so, do cut the tree and plant again
      if v == "minecraft:log" then
        print("Baumstamm gewachsen")
        rodung()
        pflanzen()
      else
-- print "no tree" and wait
        print("Noch kein Baum")
        os.sleep(10)
      end
    end
  end
--wait again then clear screen
os.sleep(10)
term.clear()
term.setCursorPos(1, 1)
end