zaun

local s = 1 -- Slot numer

function place()
    if turtle.detectDown() == true then
        turtle.digDown()
        turtle.placeDown()
    else
        turtle.placeDown()
    end
end

function forward()
    if turtle.detect() == true then
        repeat
            turtle.dig()
        until turtle.detect() == false
        turtle.forward()
    else
        turtle.forward()
    end
end

turtle.select(s)

term.write("Wie lange soll eine Zaunseite sein: ")
local length = read()-1


print()
write("ben�B6tige Z�A4une: ")
print(length*4)
print("Bitte in Slot 16 einen Zaun extra legen!")

if turtle.getFuelLevel() >= length then
    print()
 print("Treibstoff Ok")
    print()
    term.write("Zum Starten - go - eintippen: ")
    local start = read()
    if start == "go" then
        for j = 0, 3, 1 do
            for i = 1, length, 1 do
                if turtle.getItemCount(s) >= 1 and turtle.compareTo(16) == true then
                    place()
                    forward()
                else
                    repeat
                    s = s + 1
                        turtle.select(s)
                    until turtle.compareTo(16) == true
      place()
                     forward()
                end
            end
            turtle.turnRight()
        end
  term.clear()
  print("Fertig")
    else
        print("falsche Eingabe")
    end
else
    print()
 print("zu wenig Treibstoff! Bitte erst nachladen!")
end