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

0 vote164 views1 answer
Cin une énumération
C++
1 vote174 views1 answer
Array sum in c++ stl
C++
1 vote191 views1 answer
Ceil value in c++ using formula
C++
0 vote158 views1 answer
Deal with bad input cpp
C++
0 vote165 views1 answer
What does catch(...) mean in c++
C++
0 vote190 views1 answer
Bfs sudocode
C++
0 vote162 views1 answer
Print pattern and space in cpp
C++
2 votes168 views2 answers
Random number generator c++ between 0 and 1
C++
1 vote167 views1 answer
Implementation of Extended Euclidian theorem
C++
0 vote153 views1 answer
Filling 2d array with 0 c++
C++