#include <iostream>
#include <dirent.h>
#include <vector>
#include <sys/stat.h>
using namespace std;

bool isdir(string path)
{
    struct stat sb;
    if(stat(path.c_str(), &sb) == 0 && S_ISDIR(sb.st_mode))
        return true;
    else return false;
}

void lsdir(string path, bool recursiveListDir, bool searchHiddenFiles = false)
{

    vector<string> files;
    DIR *d;
    struct dirent *dir;
    d = opendir(path.c_str());
    if(d)
    {
        auto cond = dir = readdir(d);

        while(cond != NULL)
        {
            string fn = dir->d_name;
            if (!recursiveListDir)
            {
                if(!searchHiddenFiles)
                {
                    if(fn[0] != '.')
                        files.push_back(fn);
                }
                else files.push_back(fn);
            }
            else
            {

                if(!searchHiddenFiles)
                {
                    if(isdir(fn))
                        if(fn[0] != '.')
                            files.push_back(fn);
                }
                else
                    if(isdir(fn)) files.push_back(fn);
            }
        }
        closedir(d);
    }

    if (recursiveListDir)
    {
        for(long unsigned int recursiveCounter = 0;
                recursiveCounter < files.size(); recursiveCounter++)
            lsdir(files[recursiveCounter], false, searchHiddenFiles);
    }
    else for(int filesIterator = 0; filesIterator < files.size();
            filesIterator++) cout << files[filesIterator];

}

int main()
{
    string pathToSearch = ".";

    lsdir(pathToSearch, false);
}