More - Ejercicio De Programacion C# Sharp

// Importing necessary namespaces for file handling
using System;
using System.IO;

public class More
{
    // Method to display the contents of a text file with pagination
    public static void DisplayFile(string fileName)
    {
        // Using StreamReader to read the file line by line
        using (StreamReader reader = new StreamReader(fileName))
        {
            int lineCount = 0;  // Counter to keep track of lines displayed in a "page"

            // Loop through each line in the file
            while (!reader.EndOfStream)
            {
                // Reading a line from the file and truncating it to 79 characters if needed
                string line = reader.ReadLine();
                if (line.Length > 79)
                    line = line.Substring(0, 79);

                // Displaying the line on the screen
                Console.WriteLine(line);
                lineCount++;  // Incrementing the line counter

                // Checking if 24 lines have been displayed
                if (lineCount == 24)
                {
                    // Pausing and waiting for the user to press Enter to continue
                    Console.WriteLine("Press Enter to continue...");
                    Console.ReadLine();

                    lineCount = 0;  // Resetting the line counter for the next page
                }
            }
        }
    }
}

// Auxiliary class to test the More functionality
public class Program
{
    public static void Main()
    {
        // Prompting the user to enter the name of the file to display
        Console.Write("Enter the file name to display: ");
        string fileName = Console.ReadLine();

        // Checking if the file exists before attempting to display
        if (File.Exists(fileName))
        {
            // Displaying the contents of the file with pagination
            More.DisplayFile(fileName);
        }
        else
        {
            // Displaying an error message if the file does not exist
            Console.WriteLine("The file does not exist.");
        }
    }
}

 Salida

Enter the file name to display: example.txt

Line 1
Line 2
...
Line 24
Press Enter to continue...
[User presses Enter]
Line 25
Line 26
...
Line 48
Press Enter to continue...
[User presses Enter]
Line 49
Line 50
Line 51