ifstream
#include <iostream>
#include <fstream>
#include <string>
int main() {
std::ifstream inputFile;
std::string fileName = "example.txt";
inputFile.open(fileName);
if (inputFile.is_open()) {
std::string line;
while (getline(inputFile, line)) {
std::cout << line << std::endl;
}
inputFile.close();
} else {
std::cerr << "Unable to open file: " << fileName << std::endl;
}
return 0;
}