C++ (Qt)int main() { std::ifstream file_in("file_in.txt"); std::ofstream file_out("file_out.txt"); /** create the input iterator */ std::istream_iterator<char> from(file_in); std::istream_iterator<char> to(file_in); /** set starting position for reading */ std::advance(from, 1234); /** set end position for reading */ std::advance(to, 4321); /** copy the byte`s from 'from' to 'to' iterators */ std::copy(from, to, std::ostream_iterator<char>(file_out)); return 0;}
