cxxopts ☆

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Description:
Lightweight C++ command-line option parser

Type: Formula | Latest Version: 3.3.1@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: c++ cli parser header-only developer-tools

Install: brew install cxxopts

About:
cxxopts is a lightweight, header-only C++ library for parsing command-line options. It provides a simple, flexible API for defining arguments and automatically generates help messages. Its main value is ease of integration and use without external dependencies.

Key Features:

Header-only library, no build required
Supports both short (-h) and long (--help) options
Automatic type conversion and validation
Generates formatted help text automatically

Use Cases:

Adding command-line parsing to C++ applications
Creating CLI tools with configurable arguments
Parsing configuration flags in scientific or data processing software

Alternatives:

Boost.Program_options – More feature-rich but requires Boost dependency and is heavier
CLI11 – Modern, powerful alternative with similar ease of use and header-only support

License: MIT

Bottles available for: all

Version History

Detected	Version	Rev	Change	Commit
Feb 15, 2024 7:34am		0	VERSION_BUMP	224bfb28
Feb 15, 2024 7:32am		0	VERSION_BUMP	daedc5f9