Sitemap Generator from URL List in C#

using System;  // For general system functions
using System.IO;  // For file handling operations

class Program
{
    static void Main(string[] args)
    {
        // Checking if the correct number of arguments are provided
        if (args.Length != 3)
        {
            Console.WriteLine("Usage: sitemapCreator   ");
            return; // Exit if the arguments are incorrect
        }

        string fileName = args[0];  // The first argument is the file containing URLs
        string modificationDate = args[1];  // The second argument is the modification date
        string frequency = args[2];  // The third argument is the frequency of change

        // Check if the file exists
        if (!File.Exists(fileName))
        {
            Console.WriteLine("The specified file does not exist.");
            return;
        }

        // Reading all lines from the file
        string[] urls = File.ReadAllLines(fileName);

        // Start generating the sitemap
        Console.WriteLine("");
        Console.WriteLine("");

        // For each URL in the file, generate a sitemap entry
        foreach (string url in urls)
        {
            Console.WriteLine("  ");
            Console.WriteLine($"    {url}");  // URL location
            Console.WriteLine($"    {modificationDate}");  // Modification date
            Console.WriteLine($"    {frequency}");  // Change frequency
            Console.WriteLine("  ");
        }

        Console.WriteLine("");
    }
}

 Output

<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
  <url>
    <loc>http://example.com/page1</loc>
    <lastmod>2011-11-18</lastmod>
    <changefreq>weekly</changefreq>
  </url>
  <url>
    <loc>http://example.com/page2</loc>
    <lastmod>2011-11-18</lastmod>
    <changefreq>weekly</changefreq>
  </url>
</urlset>