c++ version of bin2hex

bin2hex.cpp

//http://stackoverflow.com/questions/18424101/c-small-char-to-hex-function
#include <string>
#include <iostream>


std::string bin2hex(const std::string& input)
{
    std::string res;
    const char hex[] = "0123456789ABCDEF";
    for(auto sc : input)
    {
        unsigned char c = static_cast<unsigned char>(sc);
        res += hex[c >> 4];
        res += hex[c & 0xf];
    }

    return res;
}


int main()
{
    std::string example = "A string";

    std::cout << "bin2hex of " << example << " gives " << bin2hex(example) << std::endl;
}

https://stackoverflow.com/questions/18906027/missing-punctuation-from-c-hex2bin