On 11.11.18 18:36, Martynas Jusevičius wrote: > I got a tip that rapper should be able to convert N-Quads to N-Triples. > http://librdf.org/raptor/rapper.html
I did use rapper too for that but for large datasets it was too slow. I use "serd" now for batch-conversion, this is by far the fastest lib I found. It converts nquads to ntriples as well: https://drobilla.net/software/serd I once opened an issue for what you are looking for: https://github.com/drobilla/serd/issues/12 currently, I do it like this: #!/usr/bin/env bash set -euo pipefail tdbdump --loc target/tdb | sed '\#example.org#d' | serdi -o ntriples - | gzip --stdout > target/everything.nt.gz In this example I strip out a certain grap, if you don't need that just skip this part. serdi throws away the graph in nquads regards Adrian
