how to write a function to load from file in C++ code example
Example 1: read a file c++
#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) )
{
}
myfile.close();
}
else cout << "Unable to open file";
return 0;
}
Example 2: opening file in c++
/ fstream::open / fstream::close
#include <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;
}