$ 01_quick_derive --help clap [..] A simple to use, efficient, and full-featured Command Line Argument Parser USAGE: 01_quick_derive[EXE] [OPTIONS] [NAME] [SUBCOMMAND] ARGS: <NAME> Optional name to operate on OPTIONS: -c, --config <FILE> Sets a custom config file -d, --debug Turn debugging information on -h, --help Print help information -V, --version Print version information SUBCOMMANDS: help Print this message or the help of the given subcommand(s) test does testing things
By default, the program does nothing:
$ 01_quick_derive Debug mode is off
But you can mix and match the various features
$ 01_quick_derive -dd test Debug mode is on Not printing testing lists...