detect Scala version at runtime

GetVersion.scala

def getRunningScalaVersion(): String = {
  try {
    //OLD WAY
    //val stream = getClass.getResourceAsStream("/library.properties")
    //val iter = scala.io.Source.fromInputStream(stream).getLines
    //val line = (iter find {l => l.startsWith("version.number")}).get
    //val Version = """version\.number=(\d\.\d\.\d).*""".r

    //stainsby's way
    val props = new java.util.Properties
    props.load(getClass.getResourceAsStream("/library.properties"))
    val line = props.getProperty("version.number")
    val Version = """(\d\.\d\.\d).*""".r
    val Version(versionStr) = line
    versionStr
  }
  catch {
    case e => {
      e.printStackTrace()
      "2.8.0" //or some other default version, or re-raise
    }
  }
}