Escribir en un archivo de texto Ejercicio C# - Curso de Programación C# (C Sharp)

// Importing necessary namespaces to handle input/output functionalities
using System;
using System.IO;

public class Program
{
    public static void Main()
    {
        // Prompt to inform the user about the program's functionality
        Console.WriteLine("Enter sentences (press Enter on an empty line to finish):");

        // Initializing a StreamWriter to write data to "sentences.txt"
        using (StreamWriter writer = new StreamWriter("sentences.txt"))
        {
            // Infinite loop to collect sentences from the user
            while (true)
            {
                // Reading the user's input sentence
                string sentence = Console.ReadLine();

                // Checking if the input is empty to terminate input collection
                if (string.IsNullOrEmpty(sentence))
                    break;  // Exiting the loop if no sentence is entered

                // Writing the user's sentence to the file
                writer.WriteLine(sentence);
            }
        }

        // Informing the user that the sentences have been saved to the file
        Console.WriteLine("Sentences saved to sentences.txt.");
    }
}