// Fig. 17.4: Fig17_04.cpp // Create a sequential file. #include using std::cerr; using std::cin; using std::cout; using std::endl; using std::ios; #include // file stream using std::ofstream; // output file stream #include using std::exit; // exit function prototype int main() { // ofstream constructor opens file ofstream outClientFile( "clients.dat", ios::out ); // exit program if unable to create file if ( !outClientFile ) // overloaded ! operator { 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; char name[ 30 ]; 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 return 0; // ofstream destructor closes file } // end main /************************************************************************** * (C) Copyright 1992-2005 by Deitel & Associates, Inc. and * * Pearson Education, Inc. All Rights Reserved. * * * * DISCLAIMER: The authors and publisher of this book have used their * * best efforts in preparing the book. These efforts include the * * development, research, and testing of the theories and programs * * to determine their effectiveness. The authors and publisher make * * no warranty of any kind, expressed or implied, with regard to these * * programs or to the documentation contained in these books. The authors * * and publisher shall not be liable in any event for incidental or * * consequential damages in connection with, or arising out of, the * * furnishing, performance, or use of these programs. * **************************************************************************/