FileHelpers.cs

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

namespace Util
{
    public class FileHelper 
    {
        public bool IsDirectoryEmpty(string path)
        {
            return !Directory.EnumerateFiles(path).Any();
        }

        public List<string> GetAllFiles(string path)
        {
            var files = Directory.GetFiles(path);
            return files.Length > 0 ? files.ToList() : new List<string>();
        }

        public string GetFileNameWithoutExtension(string path)
        {
            return Path.GetFileNameWithoutExtension(path);
        }

        public bool IsFileLocked(string path)
        {
            var locked = false;
            try
            {
                using (File.Open(path, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None))
                {
                }
            }
            catch (UnauthorizedAccessException)
            {
                locked = true;
            }
            catch (IOException)
            {
                locked = true;
            }

            return locked;
        }

        public string GetCombinedPath(string path, string fileName)
        {
            return Path.Combine(path, fileName);
        }

        public bool MoveFile(string sourcefile, string destFile, bool overwrite = false)
        {
            if (File.Exists(sourcefile))
            {
                if (File.Exists(destFile) && overwrite)
                    File.Delete(destFile);

                File.Move(sourcefile, destFile);
                return true;
            }
            return false;
        }

        public bool CopyFile(string sourcefile, string destFile, bool overwrite = false)
        {
            if (File.Exists(sourcefile))
            {
                if (File.Exists(destFile) && overwrite)
                    File.Delete(destFile);

                File.Copy(sourcefile, destFile);
                return true;
            }
            return false;
        }

        public void DeleteFiles(string folder, IEnumerable<string> files)
        {
            foreach (var file in files)
            {
                File.Delete(GetCombinedPath(folder, file));
            }
        }

        public void DeleteFile(string path, string file)
        {
            File.Delete(GetCombinedPath(path, file));
        }

        public bool Exists(string path)
        {
            return File.Exists(path);
        }
    }
}