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Automation & scripting

CLI tools, scheduled jobs, filesystem tasks, and glue scripts that save time.

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Automation & scripting easy

How to Build a Python argparse CLI for Beginners

Build a beginner-friendly command-line interface using Python's argparse module with positional and optional arguments.

argparse cli command-line
Python 
import argparse

def greet(name, greeting="Hello", uppercase=False):
    message = f"{greeting}, {name}!"
    if uppercase:
        message = message.upper()
    return message

def main():
    parser = argparse.ArgumentParser(description="A simple CLI greet tool for beginners.")
    parser.add_argument("name", help="…
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