Created
September 24, 2016 17:01
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Execute command and capture stdout in C++
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| #include <cstdio> | |
| #include <iostream> | |
| #include <memory> | |
| #include <stdexcept> | |
| #include <string> | |
| std::string exec(const char* cmd) { | |
| char buffer[128]; | |
| std::string result = ""; | |
| std::shared_ptr<FILE> pipe(popen(cmd, "r"), pclose); | |
| if (!pipe) throw std::runtime_error("popen() failed!"); | |
| while (!feof(pipe.get())) { | |
| if (fgets(buffer, 128, pipe.get()) != NULL) | |
| result += buffer; | |
| } | |
| return result; | |
| } |
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