SubprocessExample.cpp

#include <chi/Subprocess.hpp>
#include <chi/Result.hpp>

#include <iostream>

int main() {
    
    chi::Subprocess child{
#ifdef WIN32
        "C:\\Windows\\System32\\cmd.exe"
#else
        "/bin/sh"
#endif
    };
    
    std::string stdOut;
    child.attachStringToStdOut(stdOut);
    
    chi::Result res;
    res += child.start();
    if (!res) {
        std::cerr << res << std::endl;
        return 1;
    }
    
    std::string dataToSend = "echo hello";
    res += child.pushToStdIn(dataToSend.data(), dataToSend.size());
    if (!res) {
        std::cerr << res << std::endl;
        return 1;
    }
    res += child.closeStdIn();
    if (!res) {
        std::cerr << res << std::endl;
        return 1;
    }
    
    int exitCode = child.exitCode();
    if (exitCode != 0) {
        std::cerr << "Failed run /bin/sh < 'echo hi' with exit code: " << exitCode << std::endl;
        return 1;
    }
    
    std::cout << stdOut << std::endl;
}