#include <boost/filesystem.hpp>
#include <cstring>
using namespace boost::filesystem
int main()
{
    bool recurse = true;
    string pathDest = "C:\\Users\\admin\\Desktop\\asdfasdf";

    // using namespace boost::filesystem;
    recursive_directory_iterator it("C:\\Users\\admin\\Desktop\\test"), end;
    for (; it != end; ++it)
    {
        int a = 0;
        if (!recurse)
        {
            it.no_push(); // disable recurse
        }
        if (!is_regular_file(*it))
        {
            continue;
        }
        // make the validity check
        auto filepath = it->path();

        if(filepath.extension() == ".bmp")
        {
           // rename(const path& old_p, const path& new_p);
            rename(filepath filepath.filename(), filepath a.tostring() );
            copy_file(filepath, pathDest);
            a++;

        }


    } // end for
}