claPlusPlus

A simple and flexible C++ library for parsing command-line arguments.

This library allows you to define, set, and retrieve command-line options such as short and long names, help messages, default values, environment variables, and more.

Features

• Supports short (-s) and long (--long) argument names.
• Ability to define custom help messages for user-friendly output.
• Option to specify if an argument is required or optional.
• Supports default values for arguments.
• Supports environment variables for argument values.
• Option to retrieve values from environment variables automatically (like: APPNAME_ARG1).

Installation

1. Clone the repository to your local machine:

   git clone https://github.com/csboo/claplusplus

2. Add the library to your project by including the relevant header Parser.hpp and linking the corresponding source file.

Example Usage

• see example

• run your app like this:

./my_program --file example.txt --verbose true

export FILE_PATH="example.txt"
./my_program --file $FILE_PATH