Datetime = calendar:system_time_to_local_time(
    calendar:rfc3339_to_system_time("1980-01-01T00:00:00+00:00"),
    second
),
PrivPath = filename:join([filename:dirname(SCRIPT), "priv"]),
Filename = filename:join([PrivPath, "ehashids.so"]),
file:make_dir(PrivPath),
case file:open(Filename, [read]) of
    {ok, FD} ->
        file:close(FD);
    {error, enoent} ->
        file:write_file(Filename, ""),
        file:change_time(Filename, Datetime, Datetime)
end,
CONFIG.