#!/usr/bin/env python3
"""Simple word counter - counts words in a text file."""
import sys

def count_words(filepath):
    """Count words in a file and return the total."""
    with open(filepath, 'r') as f:
        text = f.read()
    return len(text.split())

if __name__ == '__main__':
    if len(sys.argv) != 2:
        print("Usage: word-counter.py <filepath>")
        sys.exit(1)
    print(count_words(sys.argv[1]))