View difference between Paste ID: nijqn47w and zjZUp5kp

-static void Main(string[] args)
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace TextFilter
 {
     class Program
     {
         static void Main(string[] args)
         {
             if (args.Length < 3)
             {
                 Console.WriteLine("Format:\r\nTextFilter.exe input.txt output.txt findWord1,findWord2");
                 return;
             }
 
             string infile = args[0];
             string outfile = args[1];
             string[] find = args[2].Split(',');
             bool findOne = find.Length == 1;
             Console.WriteLine("In: " + infile);
             Console.WriteLine("Out: " + outfile);
             Console.WriteLine("Find: " + String.Join(",", find));
 
             if (!File.Exists(infile))
             {
                 Console.WriteLine("Input file " + infile + " not exist!");
                 return;
             }
 
             DateTime startTime = DateTime.Now;
             Console.WriteLine("Start time : " + startTime);
             int counter = 0;
 
             using (StreamWriter sw = new StreamWriter(outfile))
             {
                 using (StreamReader sr = new StreamReader(infile))
                 {
                     String line;
                     while ((line = sr.ReadLine()) != null)
                     {
                         if ((findOne && line.Contains(find[0])) || find.Any(x => line.Contains(x)))
                         {
                             if (++counter % 100 == 0)
                             {
-        }
+
                                 Console.WriteLine(counter + " : " + line);
                             }
                             sw.WriteLine(line);
                         }
                     }
                 }
             }
 
             Console.WriteLine("Done. Filtering time : " + (DateTime.Now - startTime));
             Console.ReadLine();
         }
     }
 }