gradle script that sorts *@*dpi.png files into *dpi folders

build.gradle

final tree = fileTree("./assets").include('**/*@*dpi.png')

String normalize(String src) {
    return src.replaceAll(/ /, "_")
}

tree.each { f ->
    final m = f.name =~ /(.*)@(.*dpi)\.png/
    final name = m[0][1]
    final density = m[0][2]
    mkdir("./assets/$density")
    f.renameTo(new File("./assets/$density", "${normalize(name)}.png"))
}