using System;
using System.IO;
using System.Threading;
using static System.Net.Mime.MediaTypeNames;
using static System.Net.WebRequestMethods;

namespace Softwarefilter
{
    class Program
    {
        static void Main(string[] args)
        {
            StreamReader sr = new StreamReader("file.csv");

            char trennzeichen = ',';
            string[] software;
            string zeile;
            string[] defaultsoftware = new string[] {  
            "Software1",
            "Software2",
            "Software3",
            "Software4",
            "Software5",
            "Software6",
            "Software7",
            "Software8",
            "Software9",
            "Software10"
            };

            try
            {
                Console.WriteLine("Softwarezuweisung");
                Console.WriteLine("-----------------");

                while (!sr.EndOfStream)
                {
                    // Zeilenweise
                    zeile = sr.ReadLine();
                    software = zeile.Split(trennzeichen);

                    
                    for (int i = 0; i < software.Length; i++)
                    {
                        for (int j = 0; j < software.Length; j++)
                        {
                            if (j == 1)
                                Console.WriteLine(software[i]);
                        }                        
                    }                    
                }
            }    
            catch(Exception e) 
            {
                Console.WriteLine(e.Message);
            }
            finally 
            {
                if (sr != null)
                {
                    sr.Close();
                }
            }

            Console.ReadKey();
        }
            

            
    }
}

        static void Main(string[] args)
        {
            var list1 = new List<string>
            {
                "Software 1",
                "Software 2",
                "Software 3"
            };

            var list2 = new List<string>
            {
                "Software 1",
                "Software 3"
            };

            var differences = GetDifferences(list1, list2);

            Console.ReadKey();
        }
            
        private IEnumerable<string> GetDifferences(List<string> list1, List<string> list2)
        {
            // hier Listen vergleichen
            return new List<string>();
        }