code: def _check_all_metadata_found(metadata, items):
      
      for name in metadata:
          seen = False
          for sample in items:
              check_file = sample["files"][0] if sample.get("files") else sample["vrn_file"]
              if isinstance(name, (tuple, list)):
                  if check_file.find(name[0]) > -1:
                      seen = True
              elif check_file.find(name) > -1:
                  seen = True
              elif "*" in name and fnmatch.fnmatch(check_file, "*/%s" % name):
                  seen = True
          if not seen:
              print("WARNING: sample not found %s" % str(name))
docs: Print warning if samples in CSV file are missing in folder