ScreennameToId.scala

object ScreennameToId {
  import scala.xml._
  import scala.io.Source

  def main(args:Array[String]) = {
    val source = Source.fromURL("http://twitter.com/users/show.xml?screen_name=%s".format(args.first))
    val xml = XML.loadString( source.getLines.mkString )
    println( xml \\ "id" text)
  }
}