// Fig. 17.3: Fig17_03.cpp
// Create a sequential file.
#include <iostream>
#include <string>
#include <fstream> // file stream
#include <cstdlib> // exit function prototype
using std::ofstream;
using std::cin;
using std::cout;
using std::cerr;
using std::endl;
using std::string;

int main()
{
   // ofstream constructor opens file                
   ofstream outClientFile( "clients.txt", ios::out );
   // ios::out can be omitted, because this is the default mode of
   // ofstream.

   // exit program if unable to create file
   if ( !outClientFile ) // overloaded ! operator (P.654)
   {
      cerr << "File could not be opened" << endl;
      exit( 1 );
   } // end if

   cout << "Enter the account, name, and balance." << endl
      << "Enter end-of-file to end input.\n? ";

   int account;
   string name;
   double balance;

   // read account, name and balance from cin, then place in file
   while ( cin >> account >> name >> balance )
   {
      outClientFile << account << ' ' << name << ' ' << balance << endl;
      cout << "? ";
   } // end while
} // end main

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 * (C) Copyright 1992-2012 by Deitel & Associates, Inc. and               *
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