46 lines
1.9 KiB
C++
46 lines
1.9 KiB
C++
|
// fig08_10.cpp
|
||
|
|
// Creating a sequential file.
|
||
|
|
#include <cstdlib> // exit function prototype
|
||
|
|
#include <fmt/format.h>
|
||
|
|
#include <fstream> // contains file stream processing types
|
||
|
|
#include <iostream>
|
||
|
|
#include <string>
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
// ofstream opens the file
|
||
|
|
if (std::ofstream output{"clients.txt", std::ios::out}) {
|
||
|
|
std::cout << "Enter the account, name, and balance.\n"
|
||
|
|
<< "Enter end-of-file to end input.\n? ";
|
||
|
|
|
||
|
|
int account;
|
||
|
|
std::string name;
|
||
|
|
double balance;
|
||
|
|
|
||
|
|
// read account, name and balance from cin, then place in file
|
||
|
|
while (std::cin >> account >> name >> balance) {
|
||
|
|
output << fmt::format("{} {} {}\n", account, name, balance);
|
||
|
|
std::cout << "? ";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
std::cerr << "File could not be opened\n";
|
||
|
|
std::exit(EXIT_FAILURE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**************************************************************************
|
||
|
|
* (C) Copyright 1992-2022 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. *
|
||
|
|
**************************************************************************/
|