GetOpt

Supports multiple styles such as --option value, --option=value, -o value, and -ovalue, accommodating diverse CLI conventions as highlighted in the features list.

Provides specification, validation, and limits for positional arguments, ensuring reliable processing of operands without manual checks.

Generates help text automatically based on defined options and commands, saving development time and improving user experience.

Includes argument validation and default values, reducing error-prone manual validation code, as noted in the features.