Sorter monitor for bigbaddevil6

-- * actually, no need of wrapping up the sorter,
--   it'll fire the isort_item event anyways
-- * and I'll be using peripheral.call for .sort
-- local sorter = peripheral.wrap("bottom") -- * you can uncomment this if you want

local itemList

local function saveItemList()
    local handle = fs.open("itemList", "w")
    handle.write(textutils.serialize(itemList))
    handle.close()
end

local function loadItemList()
    if not fs.exists("itemList") then
        itemList = {} -- * default value
        saveItemList()
    end
    local handle = fs.open("itemList", "r")
    itemList = textutils.unserialize(handle.readAll())
    handle.close()
end

loadItemList()

while true do
    local event, item, amount = os.pullEvent("isort_item")
    print("Got " .. tostring(amount) .. " pieces of item #" .. tostring(item) .. "!")
    table.insert(itemList, item)
    saveItemList()

    -- * the only method of the sorter we're using
    --   is .sort - why wrapping it up then?
    peripheral.call("bottom", "sort", 2)
    -- sorter.sort(2) -- * you can uncomment this if you want

    --[[ -- * I've put this into a comment block
    --      * to be honest, I don't see the point of this part;
    --        is this here only for the sake of debugging?
    for i = 1, 4 do print(itemList[i]) end
    --]] -- * you can uncomment this if you want
end