Tunnelgraben

--[[
  -- Computercraft
   Tunnel Stairs
   by GRxRedZero
  |__
     |__
        |__
           |
]]

local inputs = { ... }

if #inputs ~= 1 then
    print("Benutze: <Länge>")
    return
end

local length = tonumber(inputs[1])

if length <= 0 then
    print("FEHLER: Länge muss größer 0 sein")
    return
end

local turtleslot = 1
turtle.select(turtleslot)

turtle.getItemCount(turtle.getSelectedSlot())

local endeweg = 0
turtle.dig()
turtle.forward()
for i=1, length, 1 do
    turtle.digDown()
    turtle.down()

    for j=1, 5, 1 do
        for k=1, 5, 1 do
            turtle.dig()
            turtle.forward()
        end
        if j ~= 5 then
            if endeweg == 0 then
                turtle.turnRight()
                turtle.dig()
                turtle.forward()
                turtle.turnRight()
                endeweg = 1
            else
                turtle.turnLeft()
                turtle.dig()
                turtle.forward()
                turtle.turnLeft()
                endeweg = 0
            end
        end
    end
    turtle.turnRight()
    turtle.turnRight()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()
end