SWI-Prolog -- read

Documentation
- Reference manual
- Packages
  - SWI-Prolog Semantic Web Library 3.0
    - library(semweb/rdf_ntriples): Process files in the RDF N-Triples format

Availability::- use_module(library(semweb/rdf_ntriples)).

[det]read_ntriple(+Stream, -Triple)

Read the next triple from Stream as Triple. Stream must have UTF-8 encoding.

Triple is a term triple(Subject,Predicate,Object). Arguments follow the normal conventions of the RDF libraries. NodeID elements are mapped to node(Id). If end-of-file is reached, Triple is unified with end_of_file.

Errors: syntax_error(Message) on syntax errors