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use strict;
use warnings;
use v5.10;
=head1 DESCRIPTION
Given a URL of an Atom or RSS feed or a filename of an already downloaded
feed, this script will try to parse it and print out what it understands
from the feed.
=cut
use XML::Feed;
my $src = shift;
die "Usage: $0 FILE|URL\n" if not $src;
binmode STDOUT, ':encoding(UTF-8)';
binmode STDERR, ':encoding(UTF-8)';
my $source = $src;
if ($src =~ m{^https?://}) {
$source = URI->new($src);
} else {
if (not -f $source) {
die "'$source' does not look like a URL and it does not exist on the file-system either.\n";
}
}
my @feed_attrs = qw[Title Tagline Format Author Link Base
Language Copyright Modified Generator];
my @entry_attrs = qw[Link Author Title Category Id Issued Modified
Lat Long Format Tags Enclosure Summary Content];
my %use_body_attrs = map { $_ => 1 } qw[Summary Content];
my $feed = XML::Feed->parse( $source ) or die XML::Feed->errstr;
for (@feed_attrs) {
my $method = lc $_;
printf "%-11s %s\n", "$_:", ($feed->$method // '');
}
for my $entry ($feed->entries) {
say '';
for (@entry_attrs) {
my $method = lc $_;
my $data;
if ($use_body_attrs{$_}) {
$data = $entry->$method->body // '';
} else {
$data = $entry->$method // '';
}
printf(" * %-11s %s\n", "$_:", $data);
}
}
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