#!/usr/bin/python

import os, re, sys
from glob import glob

PATH = os.path.abspath(sys.argv[1])
for x in glob('%s/weekly/*.gz' % PATH):
    m = re.match('(.+)(\d\d-\d\d)-(\d\d\d\d)(.+)', x)
    if m:
        g = m.groups()
        os.rename(x, '%s%s-%s%s' % (g[0], g[2], g[1], g[3]))