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 vote209 views1 answer
Check if cin didn't get int
C++
1 vote219 views1 answer
How to get a letter from the users string in c++
C++
0 vote236 views1 answer
Faster solutions
C++
0 vote205 views1 answer
Full implementation of binary search tree in C++
C++
1 vote220 views1 answer
Get window position
C++
0 vote157 views1 answer
Prefix array algorithm in c++
C++
1 vote205 views1 answer
Unclebigbay
C++
7 votes212 views2 answers
C++ threads
C++
1 vote211 views1 answer
What are various sections of process
C++
0 vote227 views1 answer
Get thread id c++
C++