if {[string length $directory] > 0} then {
            lappend platforms $directory
          }
        }
      }
    }

    if {[isEagle]} then {
      file delete -recursive -- $temporaryDirectory
    } else {
      file delete -force -- $temporaryDirectory
    }

    return [lsort -unique $platforms]
  }

  #
  # NOTE: This procedure downloads a single file from the package file server,
  #       writing its contents to the specified local file name.  It can also