Get packets from url with list of packets for freebsd or another unix distro

search_pkts.py

#!/usr/local/bin/env python
#
# written by kanazuchi
#

import re
import sys
from urllib2 import urlopen

def search_pkts(url, pkt):	
        try:
		list_pkts = list(urlopen("%s" % sys.argv[1]))
	except Exception, error:
		print ("Not's possible to connect on url '%s'" % sys.argv[1])
		print (error)
		exit(0)
	pkt_pattern = r'.*%s.*' % pkt 
	return [line.split()[-1] for line in list_pkts if re.match(pkt_pattern, line, re.IGNORECASE)] 

if __name__ == "__main__":
	if len(sys.argv) < 3:
		print ("Usage: search_pkt.py 'url' 'packet'")
		print ("Eg. search_pkt.py ftp://ftp.pkts.org squid")
		exit(0)
	pkts = search_pkts(sys.argv[1], sys.argv[2])
	for pkt in pkts:
		print pkt