import os  import sys  import time  class DeleteLog:            def __init__(self,fileName,days):          self.fileName = fileName          self.days = days      def delete(self):          if os.path.isfile(self.fileName):              fd = open(self.fileName,'r')              while 1:                  buffer = fd.readline()                  if not buffer : break                  if os.path.isfile(buffer):                      os.remove(buffer)              fd.close()          elif os.path.isdir(self.fileName):              for i in [os.sep.join([self.fileName,v]) for v in os.listdir(self.fileName)]:                  print i                  if os.path.isfile(i):                      if self.compare_file_time(i):                          os.remove(i)                  elif os.path.isdir(i):                      self.fileName = i                      self.delete()      def compare_file_time(self,file):          time_of_last_access = os.path.getatime(file)          age_in_days = (time.time()-time_of_last_access)/(60*60*24)          if age_in_days > self.days:              return True          return False  if __name__ == '__main__':      if len(sys.argv) == 2:          obj = DeleteLog(sys.argv[1],0)          obj.delete()      elif len(sys.argv) == 3:          obj = DeleteLog(sys.argv[1],int(sys.argv[2]))          obj.delete()      else:          print "usage: python %s listFileName|dirName [days]" % sys.argv[0]          sys.exit(1)