CodeMirror

//Pattern for groovy script

def p = ~/.*\.groovy/

new File( 'd:\\scripts' ).eachFileMatch(p) {f ->

  // imports list

  def imports = []

  f.eachLine {

    // condition to detect an import instruction

    ln -> if ( ln =~ '^import .*' ) {

      imports << "${ln - 'import '}"

    }

  }

  // print thmen

  if ( ! imports.empty ) {

    println f

    imports.each{ println "   $it" }

  }

}

​

/* Coin changer demo code from http://groovy.codehaus.org */

​

enum UsCoin {

  quarter(25), dime(10), nickel(5), penny(1)

  UsCoin(v) { value = v }

  final value

}

​

enum OzzieCoin {

  fifty(50), twenty(20), ten(10), five(5)

  OzzieCoin(v) { value = v }

  final value

}

​

def plural(word, count) {

  if (count == 1) return word

  word[-1] == 'y' ? word[0..-2] + "ies" : word + "s"

}

​

def change(currency, amount) {

  currency.values().inject([]){ list, coin ->

     int count = amount / coin.value

     amount = amount % coin.value

     list += "$count ${plural(coin.toString(), count)}"

  }

}

​