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Is their any C popen() equivalent in C++ ?
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The popen() function executes the command specified by the string command. It creates a pipe between the calling program and the executed command, and returns a pointer to a stream that can be used to either read from or write to the pipe.
On success, open(), openat(), and creat() return the new file descriptor (a nonnegative integer). On error, -1 is returned and errno is set to indicate the error.
The subprocess module defines one class, Popen and a few wrapper functions that use that class. The constructor for Popen takes arguments to set up the new process so the parent can communicate with it via pipes. It provides all of the functionality of the other modules and functions it replaces, and more.
Popen do we need to close the connection or subprocess automatically closes the connection? Usually, the examples in the official documentation are complete. There the connection is not closed. So you do not need to close most probably.
You can use the "not yet official" boost.process if you want an object-oriented approach for managing the subprocess.
Or you can just use popen itself, if you don't mind the C-ness of it all.
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