def read_toc(destdir, subd):
    with open(f'{destdir}/../hisdate_{subd:02}.txt', mode='r') as fid:
        return fid.read()
def read_toc(destdir, subd):
    with open(f'{destdir}/../hisdate_{subd:02}.txt', mode='r') as fid:
        return fid.read()