how to run a shell command in python
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Certainly! Running shell commands in Python can be done using the subprocess module. This tutorial will guide you through the process of running a shell command in Python with code examples.
The subprocess module is used to spawn new processes, connect to their input/output/error pipes, and obtain their return codes. Import it at the beginning of your Python script or program.
To run a shell command, use the subprocess.run() function. Pass the command as a list of strings. The first element should be the command, and subsequent elements should be arguments.
The subprocess.run() function returns a CompletedProcess object. You can check if the command ran successfully by examining the returncode attribute.
You can capture the standard output of the command by setting the capture_output parameter to True. The output will be accessible in the stdout attribute of the CompletedProcess object.
If you want to raise an exception when the command fails, you can use the check parameter. Setting check=True will raise a CalledProcessError if the command returns a non-zero exit code.
This example covers the basics of running a shell command in Python using the subprocess module. You can customize it based on your specific needs and use cases.
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