#!/usr/bin/env perl
use 5.014;
use warnings;

our $VERSION = '1.00';

my @pages = (
	[''],
	[qw( readline vi digraphs charset unicode )],
	[qw( vimperator mutt nethack mplayer )],
	[qw( writing )],
	[qw( source )],
);

my %freq = (
	(map { $_ => 'yearly' } qw[ readline nethack mplayer ]),
);

say '<?xml version="1.0" encoding="UTF-8"?>';
say '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">';
for my $group (@pages) {
	state $prio = 1;
	for my $page (@{$group}) {
		print '<url>';
		print "<loc>http://sheet.shiar.nl/$page</loc>";
		printf '<changefreq>%s</changefreq>', $freq{$page} // 'monthly';
		printf '<priority>%.2f</priority>', $prio;
		say '</url>';
	}
	$prio -= .1;
}
say '</urlset>';