TicketImporter.TfsProject.generateBatchFile C# (CSharp) Method

        private string generateBatchFile()
        {
            try
            {
                string path = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location),
                    csvPath = Path.Combine(path, "Imported_WorkItem_Ids.csv"),
                    batchPath = Path.Combine(path, "UndoImport.bat"),
                    exePath = Path.Combine(path, "DeleteWorkItems.exe");

                using (TextWriter csvFile = File.CreateText(csvPath))
                {
                    var firsId = true;
                    foreach (var wit in newlyImported.Values)
                    {
                        csvFile.Write("{0}{1}", (firsId ? "" : ","), wit.Id);
                        firsId = false;
                    }
                }

                using (TextWriter batchFile = File.CreateText(batchPath))
                {
                    var tfsProject = serverUri + "/" + project;
                    batchFile.WriteLine("\"{0}\" /Project={1} /Ids=\"{2}\"", exePath, tfsProject, csvPath);
                }
                return batchPath;
            }
            catch (Exception ex)
            {
                importSummary.Warnings.Add(
                    string.Format("Failed to generate batchfile for removing imported tickets ({0}).", ex.Message));
                return "";
            }
        }