C++ start process and get output

#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;
}

Source: stackoverflow.com

Similar codes

0 vote146 views1 answer
SFML texture from file max size
C++
0 vote226 views1 answer
Sfml hide message
C++
0 vote248 views1 answer
Built in led
C++
0 vote168 views1 answer
Cuda atomic swap
C++
0 vote384 views1 answer
C++ find object in vector by attribute
C++
0 vote173 views1 answer
Error: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools":
C++
1 vote216 views1 answer
C++ milliseconds
C++
1 vote178 views1 answer
Factore of 20 in c+
C++
1 vote155 views1 answer
Differency between c++ std and stl
C++
0 vote168 views1 answer
C++ get pointer from unique_ptr
C++