将输入字符串转化为合法的文件名称

将输入字符串转化为合法的文件名称

using System;
using System.Text;

namespace ConvertFilenameToValid
 {
     //z 2012-3-5 13:17:35 PM IS2120@
     class Program
     {
         static void PrintUsage ()
         {
             System.Console.WriteLine ("Usage : ");
             System.Console.WriteLine (System.Reflection.Assembly.GetEntryAssembly ().GetName ().Name + " filename");
         }

         static void OutputValidFilename (StringBuilder fileName)
         {
             foreach (char c in System.IO.Path.GetInvalidFileNameChars ())
             {
                 fileName = fileName.Replace (c, '_');
             }

             System.Console.WriteLine (fileName);
         }

        //z 2012-3-5 13:17:35 PM IS2120N
         static void OutputValidFilename (string _fileName)
         {
             StringBuilder fileName = new StringBuilder (_fileName);

             OutputValidFilename (fileName);
         }

         static void Main (string[] args)
         {
             if (args.Length != 1)
             {
                 PrintUsage ();

                 return;
             }

             OutputValidFilename (args[0]);

             return;
         }
     }
 }
 

//z 2012-3-5 13:17:35 PM IS2120@