Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

https://github.com/remkop/picocli/wiki/Groovy-2.5-CliBuilder-Renewal

https://github.com/remkop/picocli

http://mrhaki.blogspot.com/2009/09/groovy-goodness-parsing-commandline.html

http://docs.groovy-lang.org/latest/html/gapi/groovy/util/CliBuilder.html

https://relentlesscoding.com/2017/08/11/how-to-use-groovys-clibuilder/

https://picocli.info/picocli-2.0-groovy-scripts-on-steroids.html