The current usage information is not very helpful. There's a few things we can do about this: 1. Port existing arg parser to a more sophisticated library, like [clap](https://crates.io/crates/clap). 2. Provide a `help` command to print docs on a specific command 3. `man` page?
The current usage information is not very helpful. There's a few things we can do about this:
helpcommand to print docs on a specific commandmanpage?