static File loadDataSnippetToFile(S snippetID) ctex {
  ifndef NoResourceLoader
  IResourceLoader rl = vm_getResourceLoader();
  if (rl != null)
    ret rl.loadLibrary(snippetID);
  endifndef
  
  ret loadDataSnippetToFile_noResourceLoader(snippetID);
}
  
static File loadDataSnippetToFile_noResourceLoader(S snippetID) ctex {
  snippetID = fsI(snippetID);
  
  File f = DiskSnippetCache_file(parseSnippetID(snippetID));
  new L<URL> urlsTried;
  new L<Throwable> errors;
  try {
    URL url = addAndReturn(urlsTried, new URL(dataSnippetLink(snippetID)));
    print("Loading library: " + hideCredentials(url));
    try {
      loadBinaryPageToFile(openConnection(url), f);
      if (fileSize(f) == 0) fail();
    } catch e {
      errors.add(e);
      url = addAndReturn(urlsTried, new URL(tb_mainServer() + "/blobs/" + psI(snippetID)));
      print(e);
      print("Trying other server: " + hideCredentials(url));
      loadBinaryPageToFile(openConnection(url), f);
      print("Got bytes: " + fileSize(f));
    }
    // TODO: check if we hit the "LOADING" message
    if (fileSize(f) == 0) fail();
    System.err.println("Bytes loaded: " + fileSize(f));
  } catch e {
    //printStackTrace(e);
    errors.add(e);
    fail("Binary snippet " + snippetID + " not found or not public. URLs tried: " + allToString(urlsTried) + ", errors: " + allToString(errors));
  }
  return f;
}

Began life as a copy of #1000675