> In the meantime, you can use something like sed for this, something like: sed > -e "s|\(.*\)|\1 <mygraphuri>|"
ah, right! This is a good suggestion. This seems to work: sed "s/\(.*\) \.$/\1 <graph> ./" (all triples have a period at the end). I think I'll use this until RIOT has a --graph option that would be much more easy to work with :)
