Command Line Options System

• Options System Overview
  • How the Pieces Fit Together
  • Command Line Syntax
  • Using Application
  • Using OptionManager Directly
  • Where to Go Next
• Command-Line Option Definitions
  • Option Names, Aliases, and Positional Arguments
  • Use OptionEditor for Compact Definitions
  • Choose the Right Value Type
  • Work With Choices
  • Repeated Values and Maximum Occurrences
  • Defaults and Validation
  • Flags
  • Customize Option Help
  • Help Visibility
• Command-Line Option Sets
  • Grouping Component Options with Option Sets
  • Option-Set Help Groups and Metadata
  • Pre-Parsing Callbacks
  • Post-Parsing Callbacks
  • Set Flags
  • Help Visibility on Sets
• Option Modules
  • Use Modules for Command-Style Tools
  • Root Help and Module Help
  • Add Options and Sets to a Module
  • Module Callbacks
  • Module Main Functions
  • Module Help Metadata and Visibility
• Accessing Parsed Command-Line Values
  • Parsed Option Values and Lookup
  • Use Typed Getters for Normal Code
  • Flags, Lists, and Module Names
  • Inspect Raw OptionValue Objects
• Customizing Help Output
  • Detailed Option Help
  • Plain Output Is the Default
  • Enable Terminal Rendering in Application
  • Render Help Manually
  • Customize Display Text