Argparse tutorial

Contents:

• Creating and using parsers
  • Parsing command line arguments
    • Error handling
    • Help option
    • Typo autocorrection
  • Configuring parsers
• Adding and configuring arguments
  • Setting number of consumed arguments
• Adding and configuring options
  • Flags
  • Control characters
  • Setting number of consumed arguments
  • Setting number of invocations
• Mutually exclusive groups
• Adding and configuring commands
  • Getting name of selected command
  • Adding elements to commands
  • Making a command optional
• Default values
  • Default mode
• Callbacks
  • Converters
    • Table converters
  • Actions
    • Argument and option actions
    • Built-in actions
    • Command actions
• Miscellaneous
  • Generating and overwriting help and usage messages
  • Overwriting default help option
  • Setting argument placeholder
  • Disabling option handling
  • Prohibiting overuse of options
  • Parsing algorithm
  • Property lists
    • Parser properties
    • Command properties
    • Argument properties
    • Option and flag properties

This is a tutorial for argparse, a feature-rich command line parser for Lua.