scope ipToCountry2020.

sS #dataSnippetID = #1400400;

static Lock #lock = lock();

static File #dataDir() {
  ret javaxCachesDir("ipToCountry2020");
}

sS ipToCountry2020(S ip) null on exception {
  lock lock();
  if (directoryEmpty(dataDir()))
    unzipSnippet(dataSnippetID, dataDir());
  null;
}