Bloc Checker

function main()
	while true do
		local success, data = turtle.inspectUp()
		if success then
			print("Bloc name : "..data.name)
			if data.name == "ae2:quartz_block" then
				turtle.digUp()
				turtle.placeUp()
			end
		else
			print("Error getting upper bloc data")
		end
		os.sleep(0.5)
	end
end

turtle.select(1)
main()