static void Main(string[] args) { int size = 100000; string fileName = "file.txt"; string referenceFile = "referenceFile.txt"; string sortFile = "sortFile.txt"; if (File.Exists(fileName)) { File.Delete(fileName); } if (File.Exists(referenceFile)) { File.Delete(referenceFile); } if (File.Exists(sortFile)) { File.Delete(sortFile); } Generator(fileName, referenceFile, 1000000); Sorts.ExternalSort(fileName, sortFile, size); Console.ReadKey(); }