c++ streams

flux.cpp

#include <iostream>
#include <istream>
#include <fstream>
#include <string>
using namespace std;

int main() 
{
    string filename = "text.txt";
    ios::openmode mode = /* ifstream::in;*/ ios::binary;
    ifstream fin;
    fin.open(filename/*, mode*/);
    /*
    char c = fin.get();
    while (fin.good()) {
        std::cout << c;
        c = fin.get();
    }
    */

    char output[100];

    if (fin.is_open()) {
        while (!fin.eof()) {
            //std::cout << fin;
            std::cout << fin.readsome << std::endl << std::flush;
            fin >> output;
            //std::cout << "*\n";
            for(int i=0; i<10; ++i) {
                std::cout << std::hex << (int)output[i] << std::flush;
            }
            std::cout << std::endl << std::flush;
        }
        fin.close();
    } else {
        std::cout << "cannot open file\n";
    }

}