#occurences.py
#count #occurences of a string in a file

fname = input("Name of file: ")

#inf = open("C:\\Users\\xyz\\Downloads\\m.html")
inf = open(fname)
if not inf.readable():
    print("Can't read file. Quitting")
    quit()
else:         
    contents = inf.read()

    s = input("string to count occurences of: ")
    occurences = 0
    s_len = len(s)
    
    for i in range(len(contents)):
        if s == contents[i:i+s_len]:
            occurences += 1
    print("#occurences of",s,"is",occurences)