Turtle_Fill

--the turtle places blocks for 'height' blocks, then turns around and repeats until it has placed 'width' rows

local width = raw_input("How long do you want your build?")

local height = raw_input("How wide do you want your build?")



function back()

  if not turtle.back() then

    print("Something's in the way!")

    return false

  end

  return true

end

function place()

  selected = 0

  while(turtle.place() == false) do

    selected = selected + 1

    if selected == 17 then

      print("Out of blocks or block already placed!")

      return false

    end

    turtle.select(selected)

  end

  return true

end



for w = 1, width do

  for h = 2, height do

    if not (place() and back()) then

      return

    end

  end

  if not place() then

    return

  end

  if w % 2 == 0 then

    turtle.turnRight()

  else

    turtle.turnLeft()

  end

  if not back() then

    return

  end

  if w % 2 == 0 then

    turtle.turnRight()

  else

    turtle.turnLeft()

  end

  if not (back() and back()) then

    return

  end

end



print("Job finished successfully")