Joyfolk

import java.io.File
import java.nio.file.{Files, Path}
import scala.io.Source


def deviceName(path: Path): String = {
  val absPath = path.toAbsolutePath
  val fsName = Files.getFileStore(absPath).name()
  val fsPath = absPath.getRoot.resolve(fsName).toRealPath()
  fsPath.getFileName.toString