Rename File Masal

/*
    http://aang-notes.blogspot.com/
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
namespace rename_file_masal {
    class Program {
        static void Main(string[] args) {
            string pathFolder = @"path folder";
            string namaBaru = "";
            foreach (string filenya in Directory.GetFiles(pathFolder)) {
                namaBaru = Path.GetFileName(filenya).Replace("teks", "");

                try {
                    File.Move(filenya, pathFolder + namaBaru);
                    Console.ForegroundColor = ConsoleColor.Green;
                    Console.WriteLine("File " + filenya + " Berhasil direname!");
                } catch (Exception errr) {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("File " + filenya + " gagal direname! (" + errr.Message + ")");
                }
            }
            Console.WriteLine("Operasi telah selesai!");
            Console.ReadKey();
        }
    }
}