you can already do this in other languages. For example, here is Go: package main import ( "encoding/json" "encoding/xml" "os

you can already do this in other languages. For example, here is Go: package main import ( "encoding/json" "encoding/xml" "os" ) type wc struct { File []file } type file struct { Lines int Words int Characters int Filename string } func main() { etc_motd := wc{ []file{ {25, 1165, 1140, "/etc/motd"}, }, } json.NewEncoder(os.Stdout).Encode(etc_motd) xml.NewEncoder(os.Stdout).Encode(etc_motd) }