I have created this groovy sandbox while I learn the language. Nothing here of interest for most people.
This is my first groovy script. I was experimenting with RESTful API's, opening files, JSON and command line options.
usage: groovy ExchangeRate [options] <currency/search>
--currencies Displays all available currencies
--disclaimer Display disclaimer
-h,--help Displays usage
--license Display license agreement
-s,--search Search for a currency code