Groovy Script to rename a bunch of images by number

rename_images.groovy

int count = 1
new File("C:/Users/phase/Pictures/FloridaVisits").eachFile() { file ->
    if(file.getName().endsWith(".jpg")) {
        String absolutePath = file.getAbsolutePath()
        String filePath = absolutePath.substring(0,absolutePath.lastIndexOf(File.separator))
        println file.getAbsolutePath() + " -> " + filePath+"\\"+count+".jpg"
        file.renameTo(new File(filePath+"\\"+count+++".jpg"))
    }
}