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i need the function void

Fatima Hashem answered on August 14, 2023 Popularity 3/10 Helpfulness 1/10

answer i need the function void

i need the function void

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#include <iostream>
#include <fstream>
#include <sstream>
#include <string>

using namespace std;

struct Book {
    int ID;
    string title;
    string author;
    int qty;
    double price;
};

void deleteBook(int ID) {
    ifstream inFile("books.csv");
    if (!inFile.is_open()) {
        cout << "Error opening book file." << endl;
        return;
    }

    ofstream outFile("temp.csv"); // Temporary file
    if (!outFile.is_open()) {
        cout << "Error creating temporary file." << endl;
        inFile.close();
        return;
    }

    string line;
    bool found = false;
    while (getline(inFile, line)) {
        stringstream ss(line);
        string field;
        getline(ss, field, ',');
        int currentID = stoi(field);

        if (currentID == ID) {
            found = true;
            continue; // Skip writing this line to temp file
        }

        outFile << line << endl;
    }

    inFile.close();
    outFile.close();

    if (!found) {
        cout << "Book with ID " << ID << " not found." << endl;
        return;
    }

    if (remove("books.csv") != 0) {
        cout << "Error deleting original file." << endl;
        return;
    }
    if (rename("temp.csv", "books.csv") != 0) {
        cout << "Error renaming temporary file." << endl;
        return;
    }

    cout << "Book deleted successfully." << endl;
}

int main() {
    int targetID;
    cout << "Enter the ID of the book you want to delete: ";
    cin >> targetID;

    deleteBook(targetID);

    return 0;
}

Popularity 3/10 Helpfulness 1/10 Language cpp

Source: chat.openai.com

Tags: c++ function void

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Contributed on Aug 14 2023

Fatima Hashem

0 Answers Avg Quality 2/10

i need the function void

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