/usr/bin/rdfns is in librdf-ns-perl 20140910-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 | #!/usr/bin/env perl
#ABSTRACT: look up common URI namespaces and prefixes
#PODNAME: rdfns
use strict;
use App::rdfns;
exit App::rdfns->new->run(@ARGV);
__END__
=pod
=encoding UTF-8
=head1 NAME
rdfns - look up common URI namespaces and prefixes
=head1 VERSION
version 20140910
=head1 SYNOPSIS
# look up namespaces in several formats
$ rdfns foaf.xmlns foaf.n3 dbpedia.sparql foaf.json
# look up a prefixed URI
$ rdfns rdfs:seeAlso
# look up multiple URIs at a given version
$ rdfns 20111102 foaf,owl.ttl
# lookup preferred prefix
$ rdfns http://www.w3.org/2003/01/geo/wgs84_pos#
# create short name of an URL
$ rdfns http://purl.org/dc/elements/1.1/title
# map prefix to preferred prefix
$ rdfns wgs.prefix
# show all options and some examples
$ rdfns --help
# show version
$ rdfns --version
=head1 FORMATS
=over
=item ttl, n3, notation3
RDF/Turtle or Notation3 syntax:
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
=item sparql
SPARQL syntax:
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
=item txt
Tabulator-separated:
foaf http://xmlns.com/foaf/0.1/
=item xmlns
XML namespace declaration
xmlns:foaf="http://xmlns.com/foaf/0.1/"
=item json
JSON key-values, for instance for JSON-LD. Multiple entries are comma-separated.
"foaf": "http://xmlns.com/foaf/0.1/"
=item beacon
BEACON format syntax:
#PREFIX: http://xmlns.com/foaf/0.1/
=item prefix
Maps a prefix to its preferred form, this is the shortest and first in
alphabetical order. For instance C<rdfns wgs84.prefix> returns prefix C<geo>.
=back
=head1 SEE ALSO
This script is internally implemented in L<App::rdfns>, based on L<RDF::NS>.
=head1 AUTHOR
Jakob Voß
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2013 by Jakob Voß.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
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