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

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