using PIHelperSh.RandomEx.Extentions; string inputPath = Environment.GetEnvironmentVariable("INPUT_PATH") ?? ".\\input1"; string outputPath = Environment.GetEnvironmentVariable("OUTPUT_PATH") ?? ".\\output1"; if(!Directory.Exists(inputPath)) Directory.CreateDirectory(inputPath); if(!Directory.Exists(outputPath)) Directory.CreateDirectory(outputPath); var rnd = new Random(); for (int i = 0; i < rnd.Next(1000); i++) { using var writer = new StreamWriter(Path.Combine(inputPath, $"{rnd.NextString(10)}.txt"), false); for (int j = 0; j < rnd.Next(1000); j++) { writer.WriteLine(rnd.Next()); } writer.Close(); }