Breaking News: Grepper is joining You.com. Read the official announcement!

c++ append to file

julesgrc0 answered on February 12, 2023 Popularity 9/10 Helpfulness 7/10

answer c++ append to file

related How to append string to a file in c++

c++ append to file

Comment

#include <fstream>

int main() {  
  std::ofstream outfile;

  outfile.open("test.txt", std::ios_base::app); // append instead of overwrite
  outfile << "Data"; 
  return 0;
}

Popularity 9/10 Helpfulness 7/10 Language cpp

Source: stackoverflow.com

Tags: append c++ file

Link to this answer
Share Copy Link

Contributed on Feb 12 2023

julesgrc0

0 Answers Avg Quality 2/10

Closely Related Answers

How to append string to a file in c++

Comment

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

using namespace std;

void appendStringToFile(const string& textToAdd, const string& filename) {
    ofstream outFile(filename, ios::app); // Open the file in append mode

    if (outFile.is_open()) {
        outFile << textToAdd << endl;
        outFile.close();

        cout << "String appended to file '" << filename << "' successfully." << endl;
    } else {
        cout << "Error: Unable to open the file '" << filename << "'." << endl;
    }
}

int main() {
    string textToAdd = "This is new data appended to the file.";
    string filename = "output.txt";

    appendStringToFile(textToAdd, filename);

    return 0;
}

Popularity 6/10 Helpfulness 2/10 Language cpp

Source: chat.openai.com

Tags: file c++ string append s

Link to this answer
Share Copy Link

Contributed on Nov 20 2023

Odd Octopus

0 Answers Avg Quality 2/10

c++ append to file

Contents

More Related Answers

c++ append to file

Closely Related Answers

How to append string to a file in c++

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.