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

0 vote110 views1 answer
Matplotlib hide numbers on axis
C++
1 vote116 views1 answer
Sum of stack c++
C++
8 votes118 views4 answers
C++ max and min of vector
C++
0 vote106 views1 answer
Convert fahrenheit to celsius
C++
1 vote142 views1 answer
What does the modularity mean in c++
C++
0 vote104 views1 answer
Qt background color
C++
1 vote118 views1 answer
Iterate vector from end to begin
C++
30 votes65 views10 answers
While loop c++
C++
11 votes110 views3 answers
Get ascii value of string in C++
C++
0 vote103 views1 answer
Move elements from vector to unordered_set
C++