C++ open file

C++ files

// basic file operations
#include <iostream>
#include <fstream>
using namespace std;

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

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;
}

C++ open file

// 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 vote196 views2 answers
Lcm in c++
C++
0 vote199 views1 answer
Std::random_device
C++
3 votes143 views1 answer
Function in struct c++
C++
0 vote152 views1 answer
What does npl mean?
C++
0 vote145 views1 answer
String format decimal places c++
C++
0 vote149 views1 answer
Sort vector of pair c++
C++
0 vote158 views1 answer
Udo apt install dotnet-sdk-5
C++
0 vote169 views1 answer
Get elements of 2d array c++
C++
1 vote156 views1 answer
Chess perft 5
C++
2 votes151 views2 answers
C++ check palindrome
C++