trapper - command-line RDF parsing and serialising tool
trapper [options] INPUT-URI [INPUT-BASE-URI] Options: --input F, -i F Set the input format to F --input-uri U, -I U Alternative to INPUT-BASE-URI --output F, -o F Set the output format to F --count, -c Count triples only --quiet, -q No extra information messages --help, -h Show this help --version, -v Show module versions Input formats: rdfxml, turtle, rdfa, rdfjson, atom, xrd. Output formats: rdfxml, turtle, ntriples, rdfjson, canonical.
- --input, -i
Specify the input format. The synopsis of this manual page shows a list of input formats. Using media types should work too. In summary, it accepts any type that the
rdf_parsefunction from RDF::TrineShortcuts accepts.
If an input type is not specified, trapper will try to guess the input type (and will almost always get it right).
- --input-uri, -I, INPUT-BASE-URI
Any of these three methods can be used to specify a base URI for the parser to resolve relative URI references.
- --output, -o
Specifies the output format. The synopsis of this manual page shows a list of input formats. Using media types should work too. In summary, it accepts any type that the
rdf_stringfunction from RDF::TrineShortcuts accepts.
If an input type is not specified, 'ntriples' is assumed.
- --count, -c
Suppresses the output of the data, and just shows a count of triples instead.
- --quiet, -q
Hides useless debugging messages.
- --help, -h
Shows a short help message.
- --version, -v
Shows the version of various Perl modules used by trapper. trapper itself doesn't have a version number, but is distributed along with RDF::TrineShortcuts, so could be considered to have the same version number as that.
When possible, trapper attempts to use the same command-line options as the 'rapper' tool that is distributed with libraptor. However, full compatibility with rapper is not a goal, and is certainly not guaranteed.
Toby Inkster, <firstname.lastname@example.org>
Copyright (C) 2010 by Toby Inkster
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8 or, at your option, any later version of Perl 5 you may have available.