Python

Execute shell command

from subprocess import run, CalledProcessError
  try:
    run(["echo", ["..."]], capture_output=True, text=True, check=True, shell=True)
  except CalledProcessError as error:
	pass

• The first argument is a list[str] with argument separated. shlex.split("my cmd") can be used to get the array. If it's used with the shell=True, the argument must be ["all you command in one place"].
• capture_output=True asks to get the output
• text=True requires the stdout & stderr to be str
• shell=True execute the command as a shell command. Use with cautious and not when using external inputs!

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Good libraries

• Rich: library to create a format text into the terminal
• Mkdocs: create a documentation
• Xml2rfc: transform an xml document into an rfc format, see docs and writting