import os, hashlib

def first () :
    f = open ("c:\\work\\abc.txt", "r")
    for line in f :
        print line,
 
def calc_sum (file_name):
    m = hashlib.md5 ()
    f = open (file_name, "rb")
    while True:
        d = f.read (32*1024)
        if not d :
            break
        m.update (d)
    f.close ();
    return m.hexdigest ()

def second () :
    p = "c:\\work"
    print "Adresar", p 
  
    items = os.listdir (p)
    items.sort ()
    for name in items :
        n = os.path.join (p, name)   
        if os.path.isfile (n) :
           print name, calc_sum (n)
      
second ()