# File: word_count_program.py
""" Reads a file and returns the number of lines, words,
    and characters - similar to the UNIX wc utility
"""
import sys


def main():
    # initialze counts
    line_count = 0
    word_count = 0
    char_count = 0
    
    option = None
    params = sys.argv[1:]
    if len(params) > 1:
        # if more than one param, pop the first one as the option
        option = params.pop(0).lower().strip()
    filename = params[0]    # open the file
    with  open(filename) as infile:
        for line in infile:
            line_count += 1
            char_count += len(line)
            words = line.split()
            word_count += len(words)
    
    if option == "-c":
        print("File has {} characters".format(char_count))
    elif option == "-w":
        print("File has {} words".format(word_count))
    elif option == "-l":
        print("File has {} lines".format(line_count))
    else:
        # print the answers using the format() method
        print("File has {0} lines, {1} words, {2} characters".format(line_count, 
                                                       word_count, char_count))

if __name__ == '__main__':
    main()