Enforce a single consistent command-line structure. [Command-Line Structure ]
Adhere to a standard set of conventions in your command-line syntax. [Command-Line Conventions ]
Standardize your meta-options. [Meta-options ]
Allow the same filename to be specified for both input and output. [In-situ Arguments ]
Standardize on a single approach to command-line processing. [Command-Line Processing ]
Ensure that your interface, run-time messages, and documentation remain consistent. [Interface Consistency ]
Factor out common command-line interface components into a shared module. [Interapplication Consistency ]