summaryrefslogtreecommitdiffstats
path: root/Bachelor/Prog2/Codebeispiele/4_ch14/Fig14_04.cpp
blob: f132e11a6e42ce34fe325bb6008bc6828639a04e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
// Fig. 14.4: fig14_04.cpp

// Create a sequential file.

#include <iostream>



using std::cout;

using std::cin;

using std::ios;

using std::cerr;

using std::endl;



#include <fstream>



using std::ofstream;



#include <cstdlib>  // exit 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 1992-2003 by Deitel & Associates, Inc. and Prentice      *

 * Hall. 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.                     *

 *************************************************************************/