#include <iostream>
#include <cstdio>

using namespace std;

int main(int argc, char** argv) {

    char str[PATH_MAX]; //max string path

    FILE *rfile = popen("ls","r"); //read ls command
    if(rfile == NULL) //if failed exit program
        return 1;
    while( fgets(str, PATH_MAX, rfile) != NULL){ //while not null print result
        cout<<str;
    }

    return (EXIT_SUCCESS);
}