Can C++ become your new scripting language?(nu42.com)

    import sys

    for filename in sys.argv[1:]:
        try:
            with open(filename, "rb") as file:
                word_count = sum(len(line.split()) for line in file)
        except IOError as e:
            print(e)
        else:
            print("{}: {}".format(filename, word_count))

    import sys
    from collections import defaultdict

    def wc(path):
        d = defaultdict(int)
        with open(path) as f:
            for line in f:
                for w in line.split():
                    d[w] += 1
        return sum(d.values())

    if __name__=='__main__':
        path = sys.argv[1]
        print(path, ':', wc(path))

    int sum = 0;
    for(auto&& wc : word_count) sum += wc.second
    return sum;