Furnace

Furnace.lua

local furni = {
  peripheral.wrap("container_furnace_1"),
  peripheral.wrap("container_furnace_2"),
  peripheral.wrap("container_furnace_3"),
  peripheral.wrap("container_furnace_4"),
}

-- Chest has to smelt on first row, fuel on second, results on third
local container = "container_chest_3"

while true do
	for index, name in ipairs(furni) do
		-- Pull items to smelt from chest
		local contents = name.pullItemRemote(container, index, 64, 1)
		-- Pull fuel from chest
		local fuel = name.pullItemRemote(container, index + 9, 64, 2)
		-- Push product back into chest.
		local product = name.pushItemRemote(container, 3)

		if contents > 0 then
			print(index .. " stocked " .. contents)
		end
		if fuel > 0 then
			print(index .. " refueled " .. fuel)
		end
		if product > 0 then
			print(index .. " produced " .. product)
		end
		sleep(1)
	end
end