def get_dataset_filename():
    global args
    return args.dataset_name.replace('-','_')
May be two elisions, if in middle of long page set.
dataset/ETHPy150Open opencolorado/OpenColorado-Tools-and-Utilities/Scripts/ArcGIS/10.0/Python/PublishOpenDataset.py/get_dataset_filename--crossover with--dataset/ETHPy150Open mozilla/moztrap/tests/view/lists/test_pagination.py/TestPager.test_display_pages_long_in_middle