add molecule directory traverse

#include <dirent.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <time.h>

static char cmd_add[] = "./md --addMolecule testcases/molecules/";

static char cmd_find[] = "./md --findMolecule testcases/molecules/";

int main(void)

{

    // clock_t start = clock();

    for (int i = 0; i < 10000; i++)

    DIR *molecule_directory;

    molecule_directory = opendir("testcases/molecules/");

    struct dirent *molecule;

    char cmd_buffer[80];

    strcpy(cmd_buffer, cmd_add);

    // strcpy(&cmd_buffer[sizeof(cmd_add)-1], "test.txt");

    // printf("%s\n", cmd_buffer);

    // return 0;

    if (molecule_directory)

    {

        while ((molecule = readdir(molecule_directory)) != NULL)

        {

        system("./md --addMolecule Molecules/acetylene.txt");

            // printf("%s\n", molecule->d_name);

            strcpy(&cmd_buffer[sizeof(cmd_add)-1], molecule->d_name);

            system(cmd_buffer);

        }

    for (int i = 0; i < 10000; i++)

    {

        system("./md --findMolecule Molecules/biotin.txt");

        closedir(molecule_directory);

    }

    // clock_t diff = clock() - start;

    // int m_sec = diff * 1000 / CLOCKS_PER_SEC;

    // printf("time taken %d seconds %d milliseconds\n", m_sec/1000, m_sec % 1000);

    // // clock_t start = clock();

    // for (int i = 0; i < 10000; i++)

    // {

    //     system("./md --addMolecule Molecules/acetylene.txt");

    // }

    // for (int i = 0; i < 10000; i++)

    // {

    //     system("./md --findMolecule Molecules/biotin.txt");

    // }

    // // clock_t diff = clock() - start;

    // // int m_sec = diff * 1000 / CLOCKS_PER_SEC;

    // // printf("time taken %d seconds %d milliseconds\n", m_sec/1000, m_sec % 1000);

    return 0;

}