Improving CLI mode for Groovy

cli-friendly.groovy

class CLICategory {
    static Iterator getLines(String f) { new File(f).iterator() }
    static int getLength(String s) { s.length() }
    static def max(Iterator c,String property) { c.max { it."$property" } }
}

def propertyMissing(String p) { "$p" }

use (CLICategory) {
    'quotes.txt'.lines.max length
}