####
#
# usage: python compareScans.py recentFile comparisonFile
#        where recentFile = newest scan
#              comparisonFile = old scan
#
####

import re
import sys

recentFile = open(sys.argv[1], 'r')
comparisonFile = open(sys.argv[2], 'r')

matches = 0
new = 0

matchList = []
newList = []

def printList(theList):
    for item in theList:
        print item[0]

def returnIP(line):
    line = re.findall( r'\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b', line )
    return line

def compareFiles():
    global new, matches, newList, matchList
    for line in recentFile:
        if checkMatch(returnIP(line)):
            matchList.append(returnIP(line))
            matches += 1
        else:
            newList.append(returnIP(line))
            new += 1

def checkMatch(ip):
    global comparisonFile
    for line in open(sys.argv[2], 'r'):
        #print returnIP(line)
        if ip == returnIP(line):
            return True

compareFiles()


print "Number of matches: %d" % matches
printList(matchList)
print "\r\n"
print "Number of new items: %d" % new
printList(newList)