File open cpp

#include <iostream>
#include <fstream>
using namespace std;

int main () {
  ofstream myfile;
  myfile.open ("file.txt");
  myfile << "Writing to a file.\n";
  myfile.close();
  return 0;
}

// Reading a file

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

int main() 
{
    std::string line;

    std::ifstream file("example.txt");
    if(file.is_open())
    {
        while(getline(file, line))
        {
            std::cout << line << '\n';
        }
        file.close();
    }
    else std::cout << "Unable to open file";

    return 0;
}

Similar codes

1 vote376 views1 answer
Xmake set binary name
C++
3 votes328 views1 answer
What language was c+ written in
C++
1 vote326 views1 answer
Qimage transformed
C++
0 vote347 views2 answers
C++ server service ros
C++
0 vote385 views1 answer
C++ functions dynamic vector
C++
0 vote324 views1 answer
Transform c++
C++
0 vote342 views1 answer
QT form doesn't take changes
C++
1 vote337 views2 answers
Cpp compare strings
C++
1 vote356 views1 answer
Cpp malloc
C++
0 vote339 views1 answer
Write a CPP program to calculate sum of first N natural numbers
C++