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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

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#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

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Contributed on Feb 12 2023

julesgrc0

0 Answers Avg Quality 2/10

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How to append string to a file in c++

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#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 7/10 Helpfulness 2/10 Language cpp

Source: chat.openai.com

Tags: append c++ file

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Contributed on Nov 20 2023

Odd Octopus

0 Answers Avg Quality 2/10

c++ append to file

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How to append string to a file in c++

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