subprocess

english sentence

the script uses subprocess.run() to execute the external command.

we can use subprocess.popen() to create a background process.

the subprocess.call() method returns the exit code when the command completes.

use subprocess.check_output() to capture the standard output of the command.

the subprocess.communicate() method sends input and receives output from the process.

set subprocess.pipe to redirect stdout and stderr to the parent process.

check subprocess.returncode to determine if the process completed successfully.

use subprocess.kill() to terminate a running subprocess immediately.

the subprocess.terminate() method gracefully stops the process.

you can spawn a subprocess to run multiple commands concurrently.

the subprocess module provides tools for managing external processes.

always handle exceptions when working with subprocess to avoid zombie processes.

the subprocess can be configured with environment variables before execution.

use timeout parameter in subprocess.run() to prevent hanging processes.