build.nfo parse

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BuildNFO
{
  class Program
  {
    static void Main(string[] args)
    {
      string s = System.IO.File.ReadAllText(@"Z:\bbs\build.nfo");
      string[] lines = s.Split('\n');
      foreach (var line in lines)
      {
       // Console.WriteLine(line);
        if (line.Contains("Build:"))
        {
          string ver = line.Substring(line.IndexOf("Build:") + 6);
          Console.WriteLine(ver);
        }
      }
    }
  }
}