ProcessOres

local args = {...}

if (#args < 3) then
  error("Usage: process [inventory side] [output ore direction] [output pulverized direction")
end

local inventory = peripheral.wrap(args[1])

local function yieldOs()
    local loopTimerId = os.startTimer(tickInterval)

    while (true) do
        local event, timerId = os.pullEvent("timer")
        if (timerId == loopTimerId) then
            break
        end
    end
end

local function exportItem(item, direction)
    local count = 0
    count = item.size;

    while (cout > 0) do
        local amount = 64
        if (count < amount) then
            amount = count
        end

        local status = interface.exportItem(item.fingerprint, direction, amount)
        count = count - status.size
        if (status.size ~= amount) then
            -- Container space exceeded.
            return
        end

        yieldOs()
    end
end

local function mainTick()
    local items = inventory.getAvailableItems()
    local count = 0

    for _, item in pairs(items) do
        if string.sub(item.display_name, -4) == " Ore" then
            exportItem(item, args[2])
        end

        if string.sub(item.display_name, 11) == "Pulverized " then
            exportItem(item, args[3])
        end
    end
end

local function main()
    interface = peripheral.wrap(args[1])

    while (true) do
        mainTick()
        yieldOs()
    end
end

while true do
  -- Prevent "not attached" error
  pcall(main())
end