ch7_09.cs

来自「《c#技术内幕代码》」· CS 代码 · 共 55 行

using System;

class CH7_9
{
   public static String Right( string s, int len )
   {
      // How many characters to skip?
      int nSkip = s.Length - len;
      // Copy
      string temp = "";
      for ( int i=nSkip; i<s.Length; ++i )
          temp += s[i];
      return temp;
   }
   public static int GetArgsToCommand( int nPos,
             String[] array )
   {
      // Starting at nPos, work our way through
      // the array looking for something that
      // does NOT start with a hyphen
      int nEnd = nPos;
      for ( int i=nPos; i<array.Length; ++i )
      {
         if ( array[i][0] == '-' )
	    break;
	 Console.WriteLine("Command Argument: {0}",
	     array[i] );
	 nEnd = i;
      }
      return nEnd;
   }
   
   public static void Main(String[] args)
   {
      // First, just print them out
      for ( int i=0; i<args.Length; ++i )
      {
         Console.WriteLine("Argument {0} = {1}",
	    i, args [i] );
      }
      
      // Parse simply for instructions
      for ( int i=0; i<args.Length; ++i )
      {
         if( args[i][0] == '-' )
	 {
	    string cmd = Right(args[i], args[i].Length-1);
	    Console.WriteLine("Command {0}", cmd );
	    i = GetArgsToCommand( i+1, args );
	 }
      }
     
   }
}