//---------------------------------------------------
// Purpose: Demonstrate file input/output
// Author:  John Gauch 
//---------------------------------------------------
#include <iostream>
#include <fstream>
using namespace std;

int main()
{
   // Open files
   ifstream din;
   din.open("infile.txt");
   ofstream dout;
   dout.open("outfile.txt");

   // Error checking
   if (din.fail())
      cout << "Error not open input file\n";
   else if (dout.fail())
      cout << "Error not open output file\n";
   else
   {
      // Loop reading and writing 
      string str;
      while (din >> str)
	 dout << str << " ";
   }

   // Close files
   din.close();
   dout.close();
}