Read the whole file into std::string in C++.

gistfile1.cpp

#include <fstream>
#include <string>

#include <iostream>

int main() {
    std::ifstream stream{"fujiyama.txt"};
    std::string buffer{std::istreambuf_iterator<char>(stream), std::istreambuf_iterator<char>()};
    
    std::cout << buffer << std::endl;
}