find out how many hits from a nginx log or apache log by writing a summarized log file

log_summarizer.py

#!/usr/bin/python
from time import mktime, gmtime, strftime, time
import datetime

log  = '/var/log/nginx/logs/access_log'

num_lines = 0
num_words = 0

with open(log, 'r') as f:
    for line in f:
        words = line.split()

        num_lines += 1
        num_words += len(words)

# generate time and other things for writing a log file
log_time = strftime("%Y-%m-%d %H:%M:%S", gmtime())
timestamp_for_logfile = strftime("%Y%m%d%H%M%S", gmtime())
log_filename = 'www.site-example.com-' + timestamp_for_logfile + '.log'
content = 'Log has ' + 	str(num_lines) + ' hits and over ' + str(num_words) + ' words.' + \
          '\r\n Log Generated: '+ log_time

# write to file
log_file = "/var/log/%s" % log_filename 
#  correct way to write to files - http://docs.python.org/reference/compound_stmts.html#the-with-statement 
# http://docs.python.org/library/functions.html?highlight=open#open
with open( log_file, 'w' ) as file:
	file.write(content)