MapCopy.cs

using System.IO;

namespace fr34kyn01535.MapCopy
{
    class Program
    {
        private static string unturnedFolder = @"C:\Users\fr34kyn01535\Desktop\Unturned\Servers\";
        private static string instanceName = "cobra1";

        static void Main(string[] args)
        {
            copyInventories("PEI","TEST");
        }
    
        private static void copyInventories(string source,string target)
        {
            string allPlayersFolder = Path.Combine(unturnedFolder, instanceName, "Players");
            string[] players = Directory.GetDirectories(allPlayersFolder, "*", SearchOption.TopDirectoryOnly);
            foreach (string player in players)
            {
                string sourceMapPath = Path.Combine(allPlayersFolder, player, source);
                string targetMapPath = Path.Combine(allPlayersFolder, player, target);
                if (Directory.Exists(sourceMapPath) && !Directory.Exists(targetMapPath))
                {
                    CopyDirectory(sourceMapPath, targetMapPath);
                }
            }
        }
         

        /// <summary>
        /// Copies a directory and all subdirectories & files (From https://msdn.microsoft.com/de-de/library/Bb762914(v=VS.110).aspx)
        /// </summary>
        /// <param name="sourceDirName">Folder to copy the files from</param>
        /// <param name="destDirName">Folder to copy the files to, will be created if nonexistent</param>
        private static void CopyDirectory(string sourceDirName, string destDirName)
        {
            DirectoryInfo sourceDirectory = new DirectoryInfo(sourceDirName);
            if (!sourceDirectory.Exists)
            {
                throw new DirectoryNotFoundException();
            }
            DirectoryInfo[] dirs = sourceDirectory.GetDirectories();
            if (!Directory.Exists(destDirName))
            {
                Directory.CreateDirectory(destDirName);
            }
            
            FileInfo[] files = sourceDirectory.GetFiles();
            foreach (FileInfo file in files)
            {
                string temppath = Path.Combine(destDirName, file.Name);
                file.CopyTo(temppath, false);
            }

            foreach (DirectoryInfo subdir in dirs)
            {
                string temppath = Path.Combine(destDirName, subdir.Name);
                CopyDirectory(subdir.FullName, temppath);
            }
        }
    }
}