@awk data.awk
|END {
@for x in spam
{{get("x.name")}} - {{get("x.value")}}
@  for y in spam
{{ get("x.eggs") + get("y.eggs") }}
@  endfor
@endfor
--------------------
@for n in names
Hello {{get("n.name") (get("n._last") ? "!" : ",")}}
@endfor

Welcome to the world of {{toupper("awk")}} templating!
|}