read_binary.cpp

#include <iostream>
#include <fstream>
#include <iomanip>
using namespace std;

int main(int argc,char *argv[])
{
    if(argc!=2)
    {
        cout << "argument error" << endl;
        return 1;
    }

    ifstream file (argv[1], ios::in|ios::binary);
    //ifstream fin( outfile, ios::in | ios::binary );

    if (!file)
    {
        cout << "Can not open file";
        return 1;
    }

    //unsigned int d;
    unsigned char d;
    int number=0;

    while(!(file>>d).eof())
    {
        number=number+1;
        file.read((char *)&d, sizeof(unsigned char) );
       //file.read(&d, sizeof( unsigned char ) );
        //cout << hex << setw(2) << setfill('0') << static_cast<unsigned int>(d);
        cout << number <<":";
        cout << (unsigned int)d << endl;
        //cout << static_cast<unsigned int>(d)<<endl;
        //cout << (int)(int8_t)d<<endl;
        // cout << d << endl;
    }

    file.close();

    return 0;
}