BuildServerUploaderConsole.Processes.UploadFilesToFrbServer.CleanUpBackups C# (CSharp) Метод

        private void CleanUpBackups()
        {
            //Get files in folder
            var files = SftpManager.GetList(host, _backupFolder, Username, Password);

            //Filename structure
            var exp = new Regex(@"^build_\d\d\d\d_\d\d_\d\d_\d\d$");

            //Loop through directory
            foreach (var fileStruct in files)
            {
                //If a directory and matches filename structure
                if (fileStruct.IsDirectory && exp.IsMatch(fileStruct.Name))
                {
                    //Get year
                    var year = int.Parse(fileStruct.Name.Substring(6, 4));

                    //Get month
                    var month = int.Parse(fileStruct.Name.Substring(11, 2));

                    //Get day
                    var day = int.Parse(fileStruct.Name.Substring(14, 2));

                    //Get version
                    var version = int.Parse(fileStruct.Name.Substring(17, 2));

                    //Get date from file name
                    var date = new DateTime(year, month, day);

                    //If past expiration date
                    if (date < _deleteBeforeDate)
                    {
                        //Remove file from server
                        DeleteDirectory(_backupFolder + fileStruct.Name);
                    }
                }
            }
        }