Automatic Dropper

--pastebin get 7BNdqE96 startup

local function isEmpty()
    local bFull = true
    local nTotalItems = 0
    for n=1,16 do
        local nCount = turtle.getItemCount(n)
        if nCount == 0 then
                bFull = false
        end
        nTotalItems = nTotalItems + nCount
    end

    if nCount == 0 then
        print( "No more Items to drop." )
        return true
    end
    return false
end

local function unload()
    print( "Unloading items..." )

    for n=1,16 do
        --unloaded = unloaded + turtle.getItemCount(n)
        if (turtle.getItemCount(n) > 0) then
            turtle.select(n)
            turtle.drop()
            sleep(60)
        end
    end
end

local function load()

    print( "Loading items..." )

    for n=1,16 do
        --unloaded = unloaded + turtle.getItemCount(n)
        if (turtle.getItemCount(n) == 0) then
            turtle.select(n)
            res = turtle.suckUp()
            if res == false then
                print( "No more Items to get." )
                return false
            end
            sleep(60)
        end
    end
    return true
end

print( "Dropping Down..." )


while true do
    if not isEmpty() then
        --turtle.turnRight()
        unload()
        --turtle.turnLeft()
    end
    if not load() then
        sleep(55)
    end
    sleep(5)
end