@keywords a .
@prefix : <http://example.org/ns/plan3#> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix log: <http://www.w3.org/2000/10/swap/log#> .

<> doc "purge.n3 - Do the Equivalent of --purge"; 
   dc:author [ foaf:homepage <http://inamidst.com/sbp/> ] .

purge def (()
   (select ?p where { ?p a log:Chaff }
       ((delete { ?p [] [] })
        (delete { [] ?p [] })
        (delete { [] [] ?p })))
) .

main script (
   (store <purge-example.n3>)
   (purge)
   (output)
) .

# EOF