shulker loader

local count = 0

function counter()
    local shulker = peripheral.wrap('top')

    if (shulker ~= nil)
    then
        for i = 1,27,1
        do
            local item = shulker.getItemDetail(i)

            if (item ~= nil)
            then
                count = count + item.count
            end
        end
    end

    if (count == 1728)
    then
        turtle.digUp()
        turtle.select(2)
        turtle.placeUp()
        turtle.suck(1)
        turtle.select(1)
        turtle.dropDown(1)
    end
    counter()
end

counter()