filter

gistfile1.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import sys
import re

def filter(filePath):
    f = open(filePath)
    content = f.read()
    #print content
    
    f.close()
    
    arr = content.split()
    #print arr
    
    pattern = ('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z')
    
    res = [i for i in arr if i.startswith(pattern)]
    
    #print res
    print '\n'.join(res)
    
    
    
if __name__ == '__main__':
    if len(sys.argv) != 2:
        raise Exception('need to give the file path')
    else:
        filter(sys.argv[1])