IsSubDirectory.cs

IsSubDirectory.cs

// https://github.com/projectkudu/KuduSync.NET/blob/5ff87c07d69ed7ce250267d4657c262c89dd547b/KuduSync.NET/FileSystemHelpers.cs#L80

using System;
using System.IO;

namespace ConsoleApplication
{
    public class Program
    {
        public static void Main(string[] args)
        {
            bool result = IsSubDirectory(args[0], args[1]);
            Console.WriteLine($"OS: {Environment.OSVersion}");
            Console.WriteLine($"Comparing {args[0]} to {args[1]}");
            Console.WriteLine($"IsSubDirectory? -- {result}");
        }

        public static bool IsSubDirectory(string path1, string path2)
        {
            if (path1 != null && path2 != null)
            {
                path1 = Path.GetFullPath(path1);
                path2 = Path.GetFullPath(path2);
                char separator = Path.DirectorySeparatorChar;
                Console.WriteLine($"DirectorySeparatorChar is {separator}");
                return path2.StartsWith(path1, StringComparison.OrdinalIgnoreCase);
            }

            return false;
        }
    }
}