skrypt do kompresowania zdjęć

#include <iostream>
#include <string>
#include <vector>

#define BOOST_FILESYSTEM_VERSION 3
#define BOOST_FILESYSTEM_NO_DEPRECATED
#include <boost/filesystem.hpp>

using namespace ::boost::filesystem;

void get_all_files_of_given_extension(const path& root, const std::string& ext, std::vector<path>& ret)
{
    if(!exists(root) || !is_directory(root)) return;

    recursive_directory_iterator it(root);
    recursive_directory_iterator endit;

    while(it != endit)
    {
        if(is_regular_file(*it) && it->path().extension() == ext) ret.push_back(it->path().filename());
        ++it;
    }
}

int main()
{
    std::vector<path> filenames;
    get_all_files_of_given_extension(current_path(), ".jpg", filenames);

    std::cout << filenames.size() << " matching files found\n\n";
    std::cout << "wait while processing files\n\n";

    int i = 0;

    for( auto filename : filenames )
    {
        // cjpeg-static -quality 80 plik1.jpg > plik1-mozjpg.jpg

        std::string command = "cjpeg-static.exe -quality 80 ";
        command += filename.string() + " > mini_" + filename.string();

        std::cout << "processing file...\n";
        system( command.c_str() );
        std::cout << "file processed\n";
        std::cout << filename.string() << " -> mini_" << filename.string() << "\n";

        ++i;
        std::cout << i << " files processed\n\n";
    }

    std::cout << "all (" << i << ") files processed successfully\n\n";
    std::cout << "press enter to exit";

    std::cin.sync();
    std::cin.get();
    return 0;
}