gistfile1.PL

#!perl

# 日本の祝日をGoogleから持ってくるスクリプト
use strict;
use LWP::UserAgent;
use POSIX qw(strftime);
use URI;
use JSON::XS;
use XML::LibXML;
use XML::LibXML::XPathContext;
use Time::Local;
use YAML::Syck;

sub get_holidays {
    my @holidays;
    my $ua = LWP::UserAgent->new();
    $ua->env_proxy;
    my $uri = URI->new('http://www.google.com/calendar/feeds/outid3el0qkcrsuf89fltf7a4qbacgt9@import.calendar.google.com/public/full-noattendees');

    $uri->query_form({
        'start-min' => sprintf('%04d-%02d-%02d', (localtime)[5] + 1900, 1, 1),
        'start-max' => sprintf('%04d-%02d-%02d', (localtime)[5] + 1900, 12, 31),
    });

    my $res = $ua->get($uri);
    my $p = XML::LibXML->new();
    my $dom = $p->parse_string( $res->content );

    my $xpc = XML::LibXML::XPathContext->new();
    $xpc->registerNs('atom', "http://www.w3.org/2005/Atom");
    $xpc->registerNs('gd', "http://schemas.google.com/g/2005" );

    foreach my $entry ( $xpc->findnodes('/atom:feed/atom:entry', $dom) ) {
        my $start = $entry->findvalue('gd:when/@startTime');
        if ($start =~ /^(\d{4})-(\d{2})-(\d{2})$/) {
            push @holidays, {
                day => timelocal(0, 0, 0, int($3), int($2) - 1, int($1) - 1900),
                name => $entry->findvalue('*[local-name()="title"]')
            };
        }
    }

    return sort { $a->{day} <=> $b->{day} } @holidays;
}

print map { strftime("%Y-%m-%d ", localtime($_->{day})) . $_->{name} . "\n" } get_holidays();