# Program to count words in a file
# prints them out unsorted
#
# Matt Bishop, ECS 10, Spring 2014
#
# for homework #5, problem 1 (and the others)
#

import string

#
# break a line into maximal sequences of letters, numbers, and digits
#
def listofwords(s):
    # initialize the list for the words
    # and the string to collect characters for the current word
    l = []
    t = ""
    #
    # walk through the line a character at a time
    #
    for i in s:
        # if the current char isn't in a word, it ends it
        if i not in string.ascii_letters + string.digits + '_':
            # if not currently in a word, ignore it
            if t != "":
                # in a word; append the word to the list of words
                # and clear the string to begin collecting chars
                # for the next word
                l.append(t)
                t = ""
            # current char not in the a word; loop
            continue
        # the current char is in a word, so add it to the chars
        # collected so far
        t += i

    #
    # done! return the list of words
    #
    return l        
        
    
#
# this does the actual work
#
def main():
    #
    # get file name
    #
    fname = getfname()
    if fname == None:
        return
    #
    # open the file
    #
    fc = openfile(fname)
    if fc == None:
        return
    #
    # create empty dictionary
    #
    d = dict()

    #
    # begin with line 1
    #
    lineno = 0
    
    # read the fileline by line, and get
    # the words
    # words are separated by whitespace
    for line in fc.readlines():
        # read another line
        lineno += 1
        # split into words
        words=listofwords(line)
        for word in words:
            # if we don't have anything, skip it
            # otherwise, enter it into the dictionary
            d[word] = d.get(word, 0) + 1
    #
    # print them out
    #
    for k in d:
         print("%-27s %d" % (k, d[k]))
    
#
# go!
#
main()