distributed-computing/tasks/plaksina-av/lab_2/worker-1/Program.cs

using System;
using System.IO;

string resultFilePath = "/var/result/data.txt";

using (StreamWriter writer = new StreamWriter(resultFilePath, false))
    {
        foreach (var file in Directory.GetFiles("/var/data"))
        {
             using (StreamReader sr = new StreamReader(file)) 
            {
                String line;
                Int16 i=0;
                while ((line = sr.ReadLine()) != null) 
                {
                    i++;
                }
             writer.WriteLine(i.ToString());
            Console.WriteLine("Количество строк в файле: " + i.ToString());
            }
        }
    }
    Console.WriteLine("Файл первого приложения успешно создан: " + resultFilePath);