Utility.lua

function selectItem(name)
    local item
    for slot = 1, 16 do
        item = turtle.getItemDetail(slot)
        if item ~= nil and item["name"] == name then
            turtle.select(slot)
            return true
        end
    end
end

function FindEmptySlot()
    for slot = 1, 16 do
        if turtle.getItemCount(slot) == 0 then
            turtle.select(slot)
            return true
        end
    end
end