def Export(self, entry_or_id_or_url, file_path, gid=None, extra_params=None):
    ext = None
    match = self.__FILE_EXT_PATTERN.match(file_path)
    if match:
      ext = match.group(1)
    self.Download(entry_or_id_or_url, file_path, ext, gid, extra_params)
Test processing arrays of characters
dataset/ETHPy150Open acil-bwh/SlicerCIP/Scripted/attic/PicasaSnap/gdata/docs/service.py/DocsService.Export--crossover with--dataset/ETHPy150Open Unidata/siphon/siphon/cdmr/tests/test_dataset.py/test_char