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

2 votes155 views1 answer
C++ switch string
C++
0 vote165 views1 answer
Q10
C++
0 vote186 views1 answer
Decimal to binary gfg
C++
0 vote154 views1 answer
How to use tostring method in c++
C++
0 vote168 views1 answer
Sort 2d vector c++
C++
1 vote166 views1 answer
Case label in c++
C++
1 vote158 views4 answers
Return function in cpp
C++
6 votes169 views2 answers
Create dynamic array c++
C++
0 vote178 views1 answer
Namespace file linking c++
C++
0 vote166 views1 answer
Linq select where string equals "String"
C++