findmissing.py

# Python script to find missing lines from two different files

import sys
import string

if len(sys.argv) < 4:
   print "Usage: findmissing.py <master-file> <test-file> <result-file>"
   sys.exit()
else:
   file1 = sys.argv[1];
   file2 = sys.argv[2];
   fileout = sys.argv[3]; 
	
   o = open(fileout,"w")
   data1 = open(file1).readlines()
   data2 = open(file2).readlines()	
	
   for x in data1:
      l = len(data2)
      i = 0
      for y in data2:		
         i=i+1
         if x == y:
            o.write(x.rstrip("\n") + " ======= " + y.rstrip("\n") + "\n")
            break				
         elif i == (l):				
            o.write(x.rstrip("\n") + " ------- NULL \n")					
   o.close()