#include <iostream.h>
#include <fstream.h>
#include <stdlib.h>
#include <time.h>


main()
   {
   char fileName[20];
   int data;
   int nobs=0;
   
   cout << "Enter the filename: ";
   cin >> fileName;
   cout << "You entered: " << fileName << endl;

   // 
   // Create an instance of the class ofstream called 'outFile'
   // Write data out to file.
   //
   ofstream outFile( fileName, ios::out );
   for( int i=0; i<10; i++)
      {
      data = rand() % 100 + 1;
      outFile << data << endl;
      cout << "Writing out: " << data << endl;
      }

   // 
   // Create an instance of the class ifstream called 'inFile'
   // Read data in from file.
   //
   ifstream inFile( fileName, ios::in );
   while ( inFile >> data )
      {
      cout << "Read in data = " << data << endl;
      nobs++;
      }
   cout << "Total number of data items read is: " << nobs << endl;
   
   return 0;
   }