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#php
#kotlin
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Bash
Parse --flag=value Arguments
A getopts-free arg parser handling long flags, equals-separated values, and bundled short flags. Customize as needed.
@admin
Bash
Self-Documenting Help Text
A pattern where comments in your script double as inline help. Grep your own file for a sentinel string and print it as the --help output.
Python
argparse with Subcommands
Standard-library CLI framework. Subcommands (like `git COMMAND`) require a sub-parser per command, each with its own arguments and handler.
Rust
clap — Derive-Style CLI Parser
`clap` with the derive macro turns a Rust struct into a fully-featured CLI: `--help`, `--version`, validation, subcommands. The most popular CLI framework in the Rust ecosystem.