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cpp execute command

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Busy Butterfly answered on June 24, 2021 Popularity 9/10 Helpfulness 2/10

answer cpp execute command

related run c++ by command

related how to run a command in cpp

cpp execute command

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//----------------------------------
//  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;
}

Popularity 9/10 Helpfulness 2/10 Language cpp

Source: Grepper

Tags: c++ command execute

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Contributed on Jun 24 2021

Busy Butterfly

0 Answers Avg Quality 2/10

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run c++ by command

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g++ hello.cpp -o hello && ./hello

Popularity 9/10 Helpfulness 6/10 Language cpp

Source: Grepper

Tags: c++ command

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Contributed on Aug 06 2023

sajidul islam

0 Answers Avg Quality 2/10

how to run a command in cpp

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#include <iostream>
using namespace std;

int main() {
    system("python3 test.py");
    return 0;
}

Popularity 8/10 Helpfulness 2/10 Language cpp

Source: Grepper

Tags: c++ command comm

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Contributed on Dec 19 2023

kaguya

0 Answers Avg Quality 2/10

cpp execute command

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cpp execute command

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run c++ by command

how to run a command in cpp

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