RemRaw raw file remover

Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

namespace remraw
{
    class Program
    {
        static List<FileInfo> jpglist = new List<FileInfo>();
        static List<FileInfo> rawlist = new List<FileInfo>();
        static List<FileInfo> todelete = new List<FileInfo>();
              
   
        static void Main(string[] args)
        {
            Console.WriteLine("RemRaw 1.0 \nAuthor: Krzysztof Gabis (www.kzkg.pl kgabis@gmail.com)");
            
            jpglist = GetJpegs();
            rawlist = GetRaws(args.Length > 0 ? args[0] : "raws");
            Console.WriteLine("Found {0} JPEG files and {1} RAW files.", jpglist.Count, rawlist.Count);

            todelete = GetFilesToDelete(jpglist, rawlist);       
            ListFilesToDelete(todelete);            

            if (GetConfirmation(todelete.Count))
            {
                DeleteFiles(todelete);
            }
            
        }

        private static void ListFilesToDelete(List<FileInfo> todelete)
        {
            Console.WriteLine("Files to delete:");
            foreach (FileInfo item in todelete)
            {
                Console.WriteLine(item.Name);
            }
        }

        private static void DeleteFiles(List<FileInfo> todelete)
        {
            int deleteCount = 0;

            foreach (FileInfo file in todelete)
            {
                Console.Write("Deleting {0}", file.Name);
                try
                {
                    File.Delete(file.FullName);
                    Console.WriteLine(" - OK");
                    deleteCount++;
                }
                catch(Exception e)
                {
                    Console.WriteLine(" - {0}", e.Message);
                }                
            }
            Console.WriteLine("Deleted {0} file{1}.", deleteCount, (deleteCount > 1 ? "s" : ""));
        }

        private static bool GetConfirmation(int count)
        {
            Console.WriteLine("Delete {0} files? y/n", count);
            return Console.ReadLine().ToLower().Trim() == "y";
        }

        private static List<FileInfo> GetFilesToDelete(List<FileInfo> jpglist, List<FileInfo> rawlist)
        {
            List<FileInfo> output = new List<FileInfo>();
            FileInfo temp;

            foreach (FileInfo rawfile in rawlist)
            {
                temp = null;
                output.Add(rawfile);
                foreach (FileInfo jpgfile in jpglist)
                {
                    if (RemoveExtension(jpgfile.Name) == RemoveExtension(rawfile.Name))
                    {
                        output.Remove(rawfile);
                        temp = jpgfile;
                        break;
                    }
                }
                if (temp != null)
                {
                    jpglist.Remove(temp);
                }
            }

            if (output.Count == 0)
            {
                Console.WriteLine("Nothing do delete.");
                Environment.Exit(0);
            }

            return output;
        }

        private static List<FileInfo> GetRaws(string rawFolder)
        {
            string[] rawextensions = new string[]
            {"*.arw", "*.sfr", "*.sr2", "*.bay", "*.crw", "*.cr2",
             "*.nef", "*.nrw", "*.orf", "*.pef", "*.ptx", "*.raw",
             "*.rw2", "*.srw", "*.x3f", "*.dng"};

            List<FileInfo> output = new List<FileInfo>();
            string usage = "Create directory raws or pass raw folder name as argument.\n"
                          +"Pass \"\" to use current folder.";
            string path = Environment.CurrentDirectory + "\\" + rawFolder + "\\";

            if (! Directory.Exists(path))
            {
                path = Environment.CurrentDirectory;
                path = path.Remove(path.LastIndexOf('\\')) + "\\" + rawFolder + "\\";
                if (! Directory.Exists(path))
                {
                    Console.WriteLine(usage);
                    Environment.Exit(1);
                }                
            }

            foreach (string ext in rawextensions)
            {
                output.AddRange(GetFileList(path, ext));
            }
            return output;
        }

        private static List<FileInfo> GetJpegs()
        {
            List<FileInfo> output = new List<FileInfo>();
            string path = Environment.CurrentDirectory;
            output = GetFileList(path, "*.jpeg");
            output.AddRange(GetFileList(path, "*.jpg"));
            return output;
        }

        private static List<FileInfo> GetFileList(string path, string extension)
        {
            List<FileInfo> output = new List<FileInfo>();
            DirectoryInfo dir = new DirectoryInfo(path);

            foreach (FileInfo f in dir.GetFiles(extension))
            {
                output.Add(f);
            }

            return output;
        }

        private static string RemoveExtension(string filename)
        {
            return filename.Remove(filename.LastIndexOf('.'));
        }

    }
}