def get_info_from_filename(filename):
    filename = filename.split('/')[(- 1)]
    f = filename.split('_')
    siglum = f[0]
    reference_prefix = f[1].replace('.txt', '')
    return (siglum, reference_prefix)
def get_info_from_filename(filename):
    filename = filename.split('/')[(- 1)]
    f = filename.split('_')
    siglum = f[0]
    reference_prefix = f[1].replace('.txt', )
    return (siglum, reference_prefix)