查找某目录中的文本

[c#]代码库

using System;
using System.IO;
using System.Linq;
class Program
{
	static void Main ( string[] args )
	{
		try
		{
			var files = from file in Directory.EnumerateFiles ( @"c:\", "*.txt", SearchOption.AllDirectories)
			            from line in File.ReadLines(file)
			            where line.Contains("dezai.cn")
			            select new
		            {
			            File = file,
			            Line = line
		            };
			            foreach (var f in files)
		            {
			            Console.WriteLine(" {0}\t {1}", f.File, f.Line);
		            }
			Console.WriteLine(" {0} files found.", files.Count().ToString());
		}
			catch (UnauthorizedAccessException UAEx)
		{
			Console.WriteLine(UAEx.Message);
		}
			catch (PathTooLongException PathEx)
		{
			Console.WriteLine(PathEx.Message);
		}
		}
		}