GroovyScript for checking link between Notational Velocity Data

gistfile1.groovy

def nvDir = '/Users/mac/Documents/Notational Data'
def files = new File(nvDir).list() as List
def result = new ArrayList(files)

new File(nvDir).eachFile {
    def text = it.text
    files.each {
        def name = it.replaceAll('\\.txt$|\\.markdown$', '')
        if (text.contains("[[${name}]]")){
            result.remove(it)
        }
    }    
}
result.each {
    println it
}