Meant to be used with turtles in the ComputerCraft mod for MineCraft

hare.lua

t = turtle
n = 1 --item slot



function reload()
	while t.getItemCount(n) <1 do
		print("reload item slot")
		sleep(3)
	end
end

function buildRow(L)
	for i = 1,L do
		t.digDown()
		reload()
		t.placeDown()
		t.dig()
		t.forward()
	end
	t.back()
	t.turnLeft()
end

function buildRowDoor(L)
	L = L -2
	L = L /2
	for i = 1,L do
		t.digDown()
		reload()
		t.placeDown()
		t.dig()
		t.forward()
	end
	t.forward()
	t.forward()
	L = L -1
	for i =1, L do
		t.digDown()
		reload()
		t.placeDown()
		t.dig()
		t.forward()
	end
	t.turnLeft()
end

function buildRowWindow(L)
	t.digDown()
	reload()
	t.placeDown()
	t.dig()
	t.forward()
	t.select(2)
	n = 2
	L = L-2 --make sure we place windows only
	for i = 1,L do
		t.digDown()
		reload()
		t.placeDown()
		t.dig()
		t.forward()
	end
	t.select(1)
	n = 1
	
	t.digDown()
	reload()
	t.placeDown()
	t.dig()
	t.turnLeft()
end

--example usage
t.up()

buildRowDoor(10)
buildRow(10)
buildRow(10)
buildRowWindow(10)
t.up()

buildRowDoor(10)
buildRow(10)
buildRow(10)
buildRowWindow(10)

t.up()

buildRowWindow(10)
buildRow(10)
buildRow(10)
buildRowWindow(10)