Count words C# Exercise - C# Programming Course

// Import the System namespace for basic functionality
using System;  

// Import the IO namespace for file handling
using System.IO;  

// Create the class to count words in the text file
class WordCounter
{
    // Main method where the program starts
    static void Main(string[] args)
    {
        // Ask the user for the path of the text file
        Console.WriteLine("Enter the path of the text file:");  

        // Get the file path from the user
        string filePath = Console.ReadLine();  

        // Start of try block to handle any file or reading errors
        try
        {
            // Read the content of the file
            string content = File.ReadAllText(filePath);  

            // Count the number of words in the file by splitting the content into words
            int wordCount = CountWords(content);  

            // Display the result to the user
            Console.WriteLine("The number of words in the file is: " + wordCount);  
        }
        catch (Exception ex)  // Catch any exceptions that may occur during file reading
        {
            // Print the exception message if an error occurs
            Console.WriteLine("An error occurred: " + ex.Message);  
        }
    }

    // Method to count the number of words in a string
    private static int CountWords(string content)
    {
        // Split the content by spaces, tabs, newlines, etc. to get an array of words
        string[] words = content.Split(new char[] { ' ', '\t', '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);  

        // Return the length of the array, which is the number of words
        return words.Length;  
    }
}