argparse

Simple single-file header-only CLI option parsing for C++. No subcommands, grouped commands.

Getting Started

Download the latest argparse.hpp and include it in your project.

Features

• allow (default) / disallow (Parser::no_unrecognize()) unrecognized options and flags
• optional/required (PosnlBase::required()) positional arguments
• flags with -s, --long-flag formats
• options with --long-opt val format
• positional arguments
• -- to stop parsing options and flags
• modify argc/argv (disable with Parser::no_consume())
• Option Types
  • int
  • size_t
  • float
  • double
  • std::string

Roadmap

• examples
• Help string output
• support --long-option=value
• have the last positional argument fill a vector with remaining