How do I list all files in a subdirectory in scala?

Question

Is there a good \"scala-esque\" (I guess I mean functional) way of recursively listing files in a directory? What about matching a particular pattern?

For example re

Answer 1

Scala has library 'scala.reflect.io' which considered experimental but does the work

import scala.reflect.io.Path
Path(path) walkFilter { p => 
  p.isDirectory || """a*.foo""".r.findFirstIn(p.name).isDefined
}