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90 lines
1.7 KiB
Perl
90 lines
1.7 KiB
Perl
4 years ago
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# LotR++ for this one
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# minor mods by lenzo@cs.cmu.edu
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BEGIN {
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eval qq{
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use LWP::UserAgent;
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use XML::RSS;
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use HTTP::Request::Common qw(GET);
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};
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$no_headlines++ if($@);
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}
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sub get_headlines {
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my ($rdf_loc) = @_;
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if ($no_headlines) {
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return "error: RDF headlines require LWP::UserAgent, XML::RSS, and HTTP::Request... sorry.";
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}
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if ($rdf_loc) {
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&status("getting headlines from $rdf_loc");
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my $ua = new LWP::UserAgent;
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if (my $proxy = main::getparam('httpproxy')) { $ua->proxy('http', $proxy) };
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$ua->timeout(10);
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my $request = new HTTP::Request ("GET", $rdf_loc);
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my $result = $ua->request ($request);
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if ($result->is_success) {
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my ($str);
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$str = $result->content;
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$rss = new XML::RSS;
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eval { $rss->parse($str); };
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if ($@) {
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return "that gave some error";
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} else {
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my $return;
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foreach my $item (@{$rss->{"items"}}) {
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$return .= $item->{"title"} . "; ";
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last if length($return) > $param{maxDataSize};
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}
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$return =~ s/; $//;
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return $return;
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}
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} else {
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return "error: $rdf_loc wasn't successful";
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}
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} else {
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return "error: no location stored for $where";
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}
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};
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1;
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__END__
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=head1 NAME
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RDF.pl - Read RDF files into factoids
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=head1 PREREQUISITES
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LWP::UserAgent
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XML::RSS
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HTTP::Request::Common
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=head1 PARAMETERS
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rss
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=head1 PUBLIC INTERFACE
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<site> is <rss="site.rdf">
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=head1 DESCRIPTION
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This allows you to read and parse RSS files; RSS is a format
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for getting news headlines off web news services.
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=head1 AUTHORS
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LotR <martijn@earthling.net> and Kevin Lenzo, of course.
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