Raptor RDF Parser Toolkit - Raptor RDF parser utility


NAME

rapper − Raptor RDF parser utility

SYNOPSIS

rapper [OPTIONS] <source-URI> [base-URI]

EXAMPLE

rapper -o ntriples http://www.ilrt.bris.ac.uk/discovery/rdf/resources/rss.rdf
rapper -i rss-tag-soup pile-of-rss.xml http://example.org/base/
rapper --count http://example.org/index.rdf


DESCRIPTION

The rapper utility allows parsing of RDF content by the Raptor RDF parser toolkit emitting the results as RDF triples in a choice of syntaxes. The source-URI can be a file name or if Raptor is built with a WWW retrieval library, a general URI. The optional base-URI is used as the document URI if present.

OPTIONS

rapper uses the usual GNU command line syntax, with long options starting with two dashes (‘-’) if supported by the getopt_long function. Otherwise the short options are only available.

−h, −−help

Show a summary of the options.

−i, −−input FORMAT

Set the input FORMAT to one of ’rdfxml’ (RDF/XML, default), ’ntriples’ (N-Triples, see below), ’turtle’ (Turtle, see below) or ’rss-tag-soup’ (RSS tag soup). The list of parsers depends on how libraptor(3) was built. The list of supported parsers is given in the help summary given by −h.

−o, −−output FORMAT

Set the output FORMAT to ’simple’ (default) or ’ntriples’ (N-Triples, see below)

−c, −−count

Only count the triples and produce no other output.

−e, −−ignore-errors

Ignore errors, do not emit the messages and try to continue parsing.

−f, −−feature FEATURE[=VALUE]

Set a parser feature FEATURE to a value, or to 1 if VALUE is omitted, Use −f help to get a list of valid parser features.

−g, −−guess

Guess the parser to use from the source-URI rather than use the −i FORMAT.

−q, −−quiet

No extra information messages.

−r, −−replace-newlines

Replace newlines in multi-line literals with spaces.

−s, −−scan

Scan for <rdf:RDF> element in the RDF/XML source content..

−w, −−ignore-warnings

Ignore warnings, do not emit the messages.

−v, −−version

Print the raptor version and exit.

CONFORMING TO

RDF/XML Syntax (Revised), W3C Recommendation, http://www.w3.org/TR/rdf-syntax-grammar/

N-Triples, in RDF Test Cases, Jan Grant and Dave Beckett (eds.) W3C Recommendation, http://www.w3.org/TR/rdf-testcases/#ntriples

Turtle Terse RDF Triple Language, Dave Beckett, http://www.ilrt.bristol.ac.uk/discovery/2004/01/turtle/

SEE ALSO

libraptor(3),raptor-config(1)

CHANGES

1.3.0

Added −f for features.
Added −g for guessing the parser to use.

1.1.0

Removed −a, −−assume since rdf:RDF is now always optional.

AUTHOR

Dave Beckett
Institute for Learning and Research Technology (ILRT)
University of Bristol


Copyright 2002-2004 Dave Beckett, Institute for Learning and Research Technology, University of Bristol