Sean Eagan

Add Command.version which adds a --version flag

4

Need to be able to customize name / abbreviation ?

Would need this fixed first: https://bitbucket.org/andersmholmgren/constraint/issue/21/allow-constraints-anywhere-type Would probably want to apply the constraints after any parsing, and then display any constraint violations back to the user along with which command...

When there is a "foo-bar" option, add an equivalent but hidden "foo_bar" option, so users don't have to remember which style to use. Should this be configurable? If so, should...

Add `splitCommas` to `Flag`, `Option`, `Positional`

3

Currently `allowMultiple` allows: `foo --bar 1 --bar 2` comma separated might also be useful: `foo --bar 1,2`

See http://dartbug.com/22098 Currently unscripted guesses based on the file name, but that breaks for pub executables which are renamed in the pubspec, and is inaccurate when a command is invoked...

- Use `github.com/dart-lang/usage` to interact with google analytics - Use the `prompt` package for an opt-in flow on first usage. - Add a `--[no-]analytics` flag which would override the analytics...