A lightweight cross-platform getopt alternative that is tested on Linux, Windows, FreeBSD and macOS. Command line argument parser library for C/C++. Can be used to parse argv and argc parameters.

GNU getopt and getopt_long for Windows and Unix-like OSes

An "upgrade" to BASH built-in getopts, with support for GNU-style long option.

getopt-like command line arguments parser for Rust.

C++17 argument parsing.

Parses command-line arguments to statically typed options with the help of usage description.

Allows you to combine getopt with getopts and also get rid of the need for --longopt=x

用C实现linux中ls功能（包括长选项和短选项，手动处理option以及调用getopt_long）

A port of GNU getopt to .net, written in C#.

getopt for Windows

An example code for GNU getopt_long function

Handle -M and -m options like perl

Bio Python Project using getopt library in python and engaging with the command line prompt.

C++ command line arguments parser with the popular features of other command line parsers, while keeping an intuitive interface and avoiding unnecessary bloat.

A tiny command line library for linux, written in C++11, based on `getopt_long`.

Calculates n! or n!! (C99, Python3)

small library built on top of getopt for a more readable use of arguments with an intergrated description field for improved code readability, Define your helper at the same time as you define your flags

Kit CLI argument parser. Supports nested commands each with their own arguments.

A project that automatically solves Sudoku

Examples of parsing command line arguments in BASH