#include <stdio.h>
#include <iostream>
#include <sstream>
#include <fstream>
#include <string>
#include <array>
#include <vector>
#include <linux/limits.h>
using namespace std;



std::array<std::vector<std::string>, 5> read_csv(const std::string& filename);
std::string call(std::string cmd);
vector<int> find_all(string &str_ntp, string substr);