Cpp execute command

//----------------------------------
//  CREDIT: gregpaton08 on stack overflow
//  https://stackoverflow.com/questions/478898/how-do-i-execute-a-command-and-get-the-output-of-the-command-within-c-using-po
//----------------------------------
#include <cstdio>
#include <iostream>
#include <memory>
#include <stdexcept>
#include <string>
#include <array>

std::string exec(const char* cmd) {
    std::array<char, 128> buffer;
    std::string result;
    std::unique_ptr<FILE, decltype(&pclose)> pipe(popen(cmd, "r"), pclose);
    if (!pipe) {
        throw std::runtime_error("popen() failed!");
    }
    while (fgets(buffer.data(), buffer.size(), pipe.get()) != nullptr) {
        result += buffer.data();
    }
    return result;
}

Similar codes

-1 vote229 views1 answer
How to empty an array c++
C++
1 vote286 views1 answer
Check if whole string is uppercase
C++
0 vote263 views1 answer
Convert wchar_t to to multibyte
C++
9 votes274 views3 answers
Throw exception c++
C++
0 vote265 views1 answer
Tabeau pseudo dynamique sur c++
C++
0 vote252 views1 answer
C++ iterate through constant list
C++
22 votes231 views18 answers
Pointers in c++
C++
0 vote256 views1 answer
Get value of enum cpp
C++
1 vote243 views1 answer
Eosio name to string
C++
0 vote235 views1 answer
Namespace c++
C++