46 lines
1.9 KiB
C++
46 lines
1.9 KiB
C++
// fig08_10.cpp
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// Creating a sequential file.
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#include <cstdlib> // exit function prototype
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#include <fmt/format.h>
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#include <fstream> // contains file stream processing types
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#include <iostream>
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#include <string>
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int main() {
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// ofstream opens the file
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if (std::ofstream output{"clients.txt", std::ios::out}) {
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std::cout << "Enter the account, name, and balance.\n"
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<< "Enter end-of-file to end input.\n? ";
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int account;
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std::string name;
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double balance;
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// read account, name and balance from cin, then place in file
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while (std::cin >> account >> name >> balance) {
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output << fmt::format("{} {} {}\n", account, name, balance);
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std::cout << "? ";
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}
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}
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else {
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std::cerr << "File could not be opened\n";
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std::exit(EXIT_FAILURE);
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}
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}
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/**************************************************************************
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* (C) Copyright 1992-2022 by Deitel & Associates, Inc. and *
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* Pearson Education, Inc. All Rights Reserved. *
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* *
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* DISCLAIMER: The authors and publisher of this book have used their *
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* best efforts in preparing the book. These efforts include the *
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* development, research, and testing of the theories and programs *
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* to determine their effectiveness. The authors and publisher make *
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* no warranty of any kind, expressed or implied, with regard to these *
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* programs or to the documentation contained in these books. The authors *
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* and publisher shall not be liable in any event for incidental or *
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* consequential damages in connection with, or arising out of, the *
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* furnishing, performance, or use of these programs. *
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**************************************************************************/
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