Python argparse HowTo - Linux / Unix Q & A from nixCraft

Debian Linux Squeeze 6.0: Install Python v2.6/2.5 Argparse Module

in Debian / Ubuntu, Python, Troubleshooting last updated March 19, 2013

I would like to use argparse module for Python 2.6 under Debian Linux. However, the code is not working. How do I install and use argparse Python module under Debian Linux 6.x for Python version 2.5 or 2.6?

Python Command Line Arguments Examples

in Linux, Python, UNIX last updated March 7, 2016

I am a new Python programming user. I am working on user-friendly command-line interfaces, and I want to pass input via the shell args as follows:

./myscript.py filename ./myscript.py in.file output.file ./myscript.py -i in.file -o output.file

How do I pass and parse command-line options and arguments using Python under Unix like operating systems?