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rapper(1)		    General Commands Manual		     rapper(1)

NAME
       rapper -	Raptor RDF parsing and serializing utility

SYNOPSIS
       rapper [OPTIONS]	INPUT-URI [INPUT-BASE-URI]

EXAMPLE
       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

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  syn-
       taxes.	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  op-
       tional  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.

OPTIONS
       rapper uses the usual GNU command line syntax, with long	options	start-
       ing 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 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), 'rd-
	      fxml' (RDF/XML), 'rdfxml-abbrev' (RDF/XML	with abbreviations) or
	      'rss-1.0'	(RSS 1.0, also an RDF/XML syntax).

	      The  list	 of serializers	depends	on how libraptor(3) was	built.
	      The list of supported 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 prefix or uri can be omit-
	      ted.

       -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.

       --show-graphs
	      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.

       --show-namespaces
	      Print namespaces as they are seen	in the input.

       -t, --trace
	      Print URIs retrieved during parsing.  Especially useful for mon-
	      itoring 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.

EXAMPLES
       rapper	     -q	      -i       ntriples	      -o       rdfxml	    -f
       'xmlns:rss="http://purl.org/rss/1.0/"'	 -f    'xmlns:ex="http://exam-
       ple.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#'

CONFORMING TO
       RDF/XML Syntax (Revised), W3C Recommendation, http://www.w3.org/TR/rdf-
       syntax-grammar/ <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-testcases/#ntriples>

       Turtle	  Terse	    RDF	    Triple     Language,     Dave     Beckett,
       http://www.dajobe.org/2004/01/turtle/
       <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
       <http://purl.org/rss/1.0/spec>

SEE ALSO
       libraptor(3),raptor-config(1)

CHANGES
   2.0.0
       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

   1.4.16
       Added  -I/--input-uri  and  -O/--output-uri to set the input and	output
       (parser and serializer) base URIs separately.

   1.4.15
       Added -t/--trace	to do URI traces.

   1.4.5
       Updated to add serializer rdfxml-abbrev

   1.4.3
       Updated potential parser	and serializers	and described -f for  defining
       namespaces.

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

				  2010-04-28			     rapper(1)

NAME | SYNOPSIS | EXAMPLE | DESCRIPTION | OPTIONS | EXAMPLES | CONFORMING TO | SEE ALSO | CHANGES | AUTHOR

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