read a file c++
// reading a text file
#include <iostream>
#include <fstream>
#include <string>
using namespace std;
int main () {
string line;
ifstream myfile ("example.txt");
if (myfile.is_open())
{
while ( getline (myfile,line) )
{
//use line here
}
myfile.close();
}
else cout << "Unable to open file";
return 0;
}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;
}opening file in c++
/ fstream::open / fstream::close
#include <fstream> // std::fstream
int main () {
std::fstream fs;
fs.open ("test.txt", std::fstream::in | std::fstream::out | std::fstream::app);
fs << " more lorem ipsum";
fs.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;
}files c++
fstream afile;
afile.open("file.dat", ios::out | ios::in );Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
