using System;
using System.IO;
using System.Xml;

public class Sample {

  public static void Main(string[] args) {
     XmlTextReader reader = null;
     try {
        int filenum = 0;
        reader = new XmlTextReader(args[0]);
        reader.WhitespaceHandling = WhitespaceHandling.None;

        // Read the file. Stop at the Base64 element.
        while (reader.Read()) {
           if ("data" == reader.Name &&
	      reader.GetAttribute("mimetype") 
		== "application/x-microsoft.net.object.binary.base64") 
	   {
	      //Assume we want to read one more element to get the "value" tag
	      reader.Read(); 
	      filenum++;
	      FileStream fs
	        = new FileStream(args[0] + "." + filenum.ToString(),
		    FileMode.Append, FileAccess.Write);
	      
	      BinaryWriter w = new BinaryWriter(fs);
	      
	      int base64len = 0;
	      byte[] base64 = new byte[8192];
	      do { //This is slow and dumb but it works and I'm to lazy to fix
		base64len = reader.ReadBase64(base64, 0, 1024);            
		for (int i=0; i < base64len; i++) w.Write(base64[i]);
	      } while(reader.Name == "value");
	      Console.WriteLine("Writing to file: {0} ", 
		  (args[0] + "." + filenum.ToString()));
	      w.Flush();
	      w.Close();
	      fs.Close();
	      
	   }
        }      
     }
     finally {
        if (reader != null)
          reader.Close();
     }
  }
}