将文件夹下所有文件输出到日志文件中 c#递归算法学习示例

static void GetFiles(List<string> arr, string dir)
        {

            arr.AddRange(Directory.GetFiles(dir));
            var subDir = Directory.GetDirectories(dir).ToList();
            if (subDir != null && subDir.Count > 0)
                subDir.ForEach(j =>
                {
                    GetFiles(arr, j);
                });

        }

static void Main(string[] args)
        {
            string path = "F://softmare//Fiddler2汉化";
            var obj = FileSync(path);

            using (System.IO.StreamWriter srFile = new System.IO.StreamWriter(path + "//filelist.txt"))
            {
                obj.ForEach(i =>
                {
                    srFile.WriteLine(i);
                });

            }

            Console.WriteLine("填充完成");

            Console.ReadKey();
        }