semmtech/raptor repository overview

docker container run --rm -v "$(pwd)/:/tmp/" semmtech/raptor -i turtle -o ntriples /tmp/input.ttl > output.nt

Raptor RDF syntax parsing and serializing utility 2.0.15
Parse RDF syntax from a source into serialized RDF triples.
Usage: rapper [OPTIONS] INPUT-URI [INPUT-BASE-URI]

Copyright (C) 2000-2014 David Beckett - http://www.dajobe.org/
Copyright (C) 2000-2005 University of Bristol - http://www.bristol.ac.uk/
License: LGPL 2.1 or newer, GPL 2 or newer, Apache 2.0 or newer.
See http://librdf.org/raptor/LICENSE.html for full terms.
Raptor home page: http://librdf.org/raptor/

Arguments:
  INPUT-URI       a filename, URI or '-' for standard input (stdin).
  INPUT-BASE-URI  the input/parser base URI or '-' for none.
    Default is INPUT-URI
    Equivalent to "-I INPUT-BASE-URI" or "--input-uri INPUT-BASE-URI"

Main options:
  -i FORMAT, --input FORMAT   Set the input format/parser to one of:
    rdfxml          RDF/XML (default)
    ntriples        N-Triples
    turtle          Turtle Terse RDF Triple Language
    trig            TriG - Turtle with Named Graphs
    rss-tag-soup    RSS Tag Soup
    guess           Pick the parser to use using content type and URI
    rdfa            RDF/A via librdfa
    nquads          N-Quads
  -I URI, --input-uri URI     Set the input/parser base URI. '-' for none.
                              Default is INPUT-BASE-URI argument value.

  -o FORMAT, --output FORMAT  Set the output format/serializer to one of:
    ntriples        N-Triples (default)
    turtle          Turtle Terse RDF Triple Language
    rdfxml-xmp      RDF/XML (XMP Profile)
    rdfxml-abbrev   RDF/XML (Abbreviated)
    rdfxml          RDF/XML
    rss-1.0         RSS 1.0
    atom            Atom 1.0
    dot             GraphViz DOT format
    json-triples    RDF/JSON Triples
    json            RDF/JSON Resource-Centric
    html            HTML Table
    nquads          N-Quads
  -O URI, --output-uri URI    Set the output/serializer base URI. '-' for none.
                              Default is input/parser base URI.

General options:
  -c, --count             Count triples only - do not print them.
  -e, --ignore-errors     Ignore error messages
  -f OPTION(=VALUE), --feature OPTION(=VALUE)
                          Set parser or serializer options
                          Use `-f help' for a list of valid options
  -g, --guess             Guess the input syntax (same as -i guess)
  -h, --help              Print this help, then exit
  -q, --quiet             No extra information messages
  -r, --replace-newlines  Replace newlines with spaces in literals
      --show-graphs       Show named graphs as they are declared
      --show-namespaces   Show namespaces as they are declared
  -t, --trace             Trace URIs retrieved during parsing
  -w, --ignore-warnings   Ignore warning messages
  -v, --version           Print the Raptor version