#include <iostream>
#include <fstream>
#include <iterator>

using namespace std;

int main() {
    ifstream in("/etc/resolv.conf");

    // Try changing <string> to <char> or <double>
    istream_iterator<string> eos;
    istream_iterator<string> it(in);
    ostream_iterator<string> out(cout);	    // Try adding ", " argument

    copy(it, eos, out);

    return 0;
}