Simple database: Difference between revisions

case Array(f, "all", "latest") => print(f, _ groupBy (_ lift 2 getOrElse "") map{case (_, cat) => cat.last})

case Array(f, "add", desc) => add(f, desc, category = "")

case Array(f, "add", desc, cat, opt @ _*) => add(f, desc, cat, opt)

case _ => println("Usage: SimpleDatabase filename.tsv [all [latest]| latest [CATEGORY] | add [DESCRIPTION [CATEGORY [OPTIONAL]...]]]")