Asked by: Judson Provedotechnology and computing operating systems
What is subprocess return?
Last Updated: 3rd January, 2020
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Subsequently, one may also ask, what does subprocess Check_output return?
subprocess. check_output return code. CalledProcessError Exception raised when a process run by check_call() or check_output() returns a non-zero exit status. returncode Exit status of the child process.
Secondly, what is the subprocess module in Python? The subprocess module present in Python(both 2. x and 3. x) is used to run new applications or programs through Python code by creating new processes. It also helps to obtain the input/output/error pipes as well as the exit codes of various commands.
Also know, what is subprocess Popen?
subprocess. Popen is more general than subprocess. call . Popen doesn't block, allowing you to interact with the process while it's running, or continue with other things in your Python program. The call to Popen returns a Popen object.
What is PIPE in Python?
Available In: Python 1.4. The pipes module implements a class to create arbitrarily complex Unix command pipelines. Inputs and outputs of the commands can be chained together as with the shell | operator, even if the individual commands need to write to or read from files instead of stdin/stdout.