syslog file rename

Script to rename syslog rotated by new syslog with mtime

# python -V Python 2.7.5 # cd 'target_dir'| ls | xargs python rename.py

rename.py

from datetime import date, datetime, timedelta
import os
import sys

argvs = sys.argv
#print argvs
del argvs[0]

for i in argvs:
    #print i
    stat = os.stat(i)
    last_modified = stat.st_mtime
    #print(last_modified)

    date_format = datetime.fromtimestamp(last_modified)
    date_format -= timedelta(days = 1)
    date_string = date_format.strftime('%Y%m%d')

    bfr_name = str(i)
    aft_name = str(date_string+'.hoge')
    print 'mv '+ bfr_name + ' to '+ aft_name
    os.rename(bfr_name , aft_name)