ch8_02.cs

《c#技术内幕代码》

using System;
using System.IO;

class CH8_2
{
   public static void ShowFile( string name )
   {
      try
      {
         FileStream fs = new FileStream( name, FileMode.Open );
         StreamReader sr = new StreamReader( fs );
      
         string line = "";

         int lineNo = 0;      
	 do
	 {
	    line = sr.ReadLine();
	    if ( line != null )
	    {
               Console.WriteLine("{0}: {1}", lineNo, line );
               lineNo ++;
	    }
         } while ( line != null );
      }
      catch ( Exception e )
      {
         Console.WriteLine("Exception in ShowFile: {0}", e );
      }
   }
   
   public static void Main(string[] args)
   {
      if ( args.Length < 1 )
      {
         Console.WriteLine("Usage: Ch8_2 text-file-name");
	 return;
      }

      Console.WriteLine("Dumping file {0}:", args[0] );      
      ShowFile( args[0] );
   }
}