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CentOS 7.0 - man page for rapper (centos section 1)

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rapper(1)										rapper(1)

       rapper - Raptor RDF parsing and serializing utility


       rapper -o ntriples http://planetrdf.com/guide/rss.rdf
       rapper -i rss-tag-soup -o rss-1.0 pile-of-rss.xml http://example.org/base/
       rapper --count http://example.org/index.rdf

       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 INPUT-URI can be a file name, '-'
       for standard input or if Raptor is built with a WWW retrieval library, a general URI.  The
       optional INPUT-BASE-URI is used as the document	parser	base  URI  if  present	otherwise
       defaults to the INPUT-URI.  A value of '-' means no base URI.

       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

       -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 RSS
	      Tag Soup parser can turn the many XML RSS formats and Atom 0.3 into RDF triples.

	      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.

       -I, --input-uri URI
	      Set the input/parser base URI or use value '-' for no base.   The  default  is  the
	      INPUT-URI argument value.

       -o, --output FORMAT
	      Set  the	output	FORMAT	to  'ntriples'	(N-Triples, default), 'rdfxml' (RDF/XML),
	      'rdfxml-abbrev' (RDF/XML with abbreviations) or 'rss-1.0' (RSS 1.0, also an RDF/XML

	      The  list  of  serializers depends on how libraptor(3) was built.  The list of sup-
	      ported serializers is given in the help summary given by -h.

       -O, --output-uri URI
	      Set the output/serializer base URI or use value '-' for no base.	 The  default  is
	      the  input  base	uri, either set by the argument INPUT-BASE-URI or via options -I,
	      --input-uri URI

       -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 or serializer feature FEATURE to a value, or to 1 if VALUE is omitted,
	      Use -f help to get lists of valid parser and serializer features.

	      If  the  form  -f  'xmlns:prefix="uri"' is used, the prefix and namespace uri given
	      will be set for serializing.  The syntax matches XML in that either or both of pre-
	      fix or uri can be omitted.

       -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.

	      Print  graph  names  (URIs) as they are seen in the input.  This only has a meaning
	      for parsers that support graph names such as the TRiG parser.

	      Print namespaces as they are seen in the input.

       -t, --trace
	      Print URIs retrieved during parsing.  Especially useful  for  monitoring	what  the
	      guess and GRDDL parsers are doing.

       -w, --ignore-warnings
	      Ignore warnings, do not emit the messages.

       -v, --version
	      Print the raptor version and exit.

       rapper	-q   -i   ntriples   -o   rdfxml   -f  'xmlns:rss="http://purl.org/rss/1.0/"'  -f
       'xmlns:ex="http://example.org/"' tests/test.nt
       rapper -q -o  rdfxml  -f  'xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"'  tests/rdf-
       schema.rdf 'http://www.w3.org/2000/01/rdf-schema#'

       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		       <http://www.w3.org/TR/rdf-

       Turtle Terse RDF  Triple  Language,  Dave  Beckett,  http://www.dajobe.org/2004/01/turtle/

       RDFA  in  XHTML: Syntax and Processing, Ben Adida, Mark Birbeck, Shane McCarron and Steven
       Pemberton (eds.), W3C Candidate Recommendation, 20 June 2008 http://www.w3.org/TR/2008/CR-
       rdfa-syntax-20080620/ <http://www.w3.org/TR/2008/CR-rdfa-syntax-20080620/>

       RDF     Site	Summary     (RSS)     1.0,     2000-12-06    http://purl.org/rss/1.0/spec


       Removed -a option that did nothing.

       Removed -m option from rapper but it was never documented here.

       Removed -n option that was long hidden.

       Removed -s option that was equivalent to -f scanForRDF

       Added -I/--input-uri and -O/--output-uri to set the input and output (parser  and  serial-
       izer) base URIs separately.

       Added -t/--trace to do URI traces.

       Updated to add serializer rdfxml-abbrev

       Updated potential parser and serializers and described -f for defining namespaces.

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

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

       Dave Beckett - http://www.dajobe.org/ <http://www.dajobe.org/>

					    2010-04-28					rapper(1)
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