object Test
{
val xml1 =
val xml2= scala.xml.XML.loadString("""""")
def backslashSearch(x: xml.Elem) = "root:-"+(x \ "@{nsUri}at") +"-sub:-"+(x \ "sub" \ "@{nsUri}at") +"-"
def main(args: Array[String]): Unit = {
println(backslashSearch(xml1))
println(backslashSearch(xml2))
}
}