log

local tArgs = { ... }

if tArgs[1] ~= "star" then
  wide = tonumber(tArgs[1])
  if not wide then
    print("log <tree width>")
    return
  end
else
  wide = "star"
end

function cut()
  repeat
    turtle.dig()
    turtle.digUp()
    turtle.up()
  until turtle.dig() == false
  repeat
    sleep(0)
  until (not turtle.down())
end

if wide == "star" then
  turtle.dig()
  turtle.forward()
  turtle.dig()
  turtle.forward()
  repeat
    for x = 1,4 do
      turtle.up()
      turtle.dig()
      turtle.turnLeft()
    end
  until not turtle.digUp()
  repeat
  until not turtle.down()
elseif wide == 1 then
    cut()
elseif wide == 2 then
    turtle.dig()
    turtle.forward()
    cut()
    turtle.forward()
    turtle.turnLeft()
    turtle.dig()
    turtle.forward()
    turtle.turnLeft()
    cut()
    for x = 1,2 do
        turtle.forward()
        turtle.turnLeft()
    end
else
    turtle.dig()
    turtle.forward()
    for x = 1,4 do
        for x = 1,(wide-1) do
            cut()
            turtle.forward()
        end
        turtle.turnLeft()
    end
end
turtle.back()