Pisanie linii na końcu pliku (C ++)

std :: ios :: app

#include <fstream> std::ofstream out;// std::ios::app is the open mode "append" meaning

// new data will be written to the end of the file.

 out.open("myfile.txt", std::ios::app); std::string str = "I am here.";

 out << str;

ofstream

app

#include <fstream>

using namespace std;int main() {

 ofstream fileOUT("filename.txt", ios::app);// open filename.txt in append mode fileOUT << "some stuff" << endl;// append "some stuff" to the end of the file fileOUT.close();// close the file

 return 0;

}

#include <fstream>

#include <string>// main is never void

int main()

{

 std::string message = "Hello world!";// std::ios::out gives us an output filestream

// and std::ios::app appends to the file.

 std::fstream file("myfile.txt", std::ios::out | std::ios::app);

 file << message << std::endl;

 file.close(); return 0;

}