1: def ant = new AntBuilder()

   2: ant.zip(basedir: "images", destfile: "../backup.zip")

   3: ant.tar(basedir: "images", destfile: "../backup.tar")

   4: ant.gzip(zipfile: "../backup.tar.gz", src: "../backup.tar")

   5: ant.bzip2(zipfile: "../backup.tar.bz2", src: "../backup.tar")

   6:  

   7: ant.zip(destfile: "../backup.zip") {

   8:     fileset(dir: "images") {

   9:         include(name: "**/*.jpg")

  10:         exclude(name: "**/*.txt")

  11:     }

  12: }