turtlescript

--Felling turtle script

local function isLog()
  local success, data = turtle.inspect()

  if success then
    if data.name == "minecraft:log" then
      return true
    else
      return false
    end
  else
    return false
  end
end

while true do
  if turtle.getFuelLevel() == 0 then
    turtle.refuel()
  else
    if isLog == true then
      if turtle.detectUp() then
        turtle.digUp()
      end
      turtle.dig()
      turtle.up()
    else
      local isdown = turtle.detectDown()

      while isdown == false do

      turtle.down()
        isdown = turtle.detectDown()
      end
    end
  end
end