6 parser = argparse.ArgumentParser()
7 parser.add_argument('index', type=int)
9 args = parser.parse_args()
11 insert_index = args.index
13 filenames = os.listdir('.')
17 re_file = re.compile(r'^(\d\d)_(.*)$')
19 for filename in filenames:
20 m = re_file.match(filename)
23 i = int(m.groups()[0])
29 file_tuples = sorted(file_tuples, key=lambda t: t[0])
31 for i, t in enumerate(file_tuples):
33 raise Exception('Expected index %s for %s' % (i, t[1]))
35 for i in range(insert_index - 1, len(file_tuples)):
36 old_filename = file_tuples[i][1]
38 m = re_file.match(old_filename)
40 filepart = m.groups()[1]
42 new_filename = '%02d_%s' % (i + 2, filepart)
44 print 'rename %s to %s' % (old_filename, new_filename)
46 os.rename(old_filename, new_filename)