Blubb

local sf = {
    {"Dlc_glados_killing_spree_ann_glados_kill_double_",1},
    {"Dlc_glados_killing_spree_ann_glados_kill_triple_",1},
    {"Dlc_glados_killing_spree_ann_glados_kill_ultra_",2},
    {"Dlc_glados_killing_spree_ann_glados_kill_rampage_",3},
    {"Dlc_glados_ann_glados_followup_respaw_",13},
    {"Dlc_glados_ann_glados_ally_neg_",26},
}

if not DirExists(SOUNDS_PATH..[[\Glados\]]) then
    CreateDir(SOUNDS_PATH..[[\Glados\]])
end

function DL()
    for _,i in pairs(sf) do
        for l=1,i[2] do
            print(i[1]..i[2])
            if not FileExist(SOUNDS_PATH.. [[\Glados\]] .. i[1] .. l .. ".wav") then
                DownloadFileAsync("https://raw.githubusercontent.com/LoggeL/GoS/master/GS/" .. i[1]..l..".wav" ,SOUNDS_PATH .. [[\Glados\]] .. i[1].."0"..l..".wav", function() PrintChat("Downloaded "..i[i]..l) DL() end)
                return
            else
                print("exists")
            end
        end
    end
end

DL()