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指定ディレクトリ内のmp3ファイルから必要最低限のPodcast用RSSを生成する
#!/usr/bin/env ruby
require 'time'
require 'nkf'
abort "Usage:#{$0} PodcastTitle PublicURL FilesDir" if ARGV.length < 3
title = NKF.nkf('-w', ARGV[0])
location = ARGV[1]
filesDir = ARGV[2]
files = [];
Dir.glob(File.join(filesDir, '*.{mp3,m4a,aac}')) do |path|
name = File.basename(path, File.extname(path))
item = { 'path' => path,
'name' => name,
'fname' => File.basename(path),
'time' => File.ctime(path),
'length' => File.size(path) }
files << item
end
files = files.sort do |a, b|
a['time'] <=> b['time']
end
puts <<EOS
<?xml version="1.0" encoding="utf-8"?>
<rss xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" version="2.0">
<channel>
<title>#{title}</title>
EOS
files.each do |item|
url = location + item['fname']
if (/\.mp3$/ =~ item['fname']) then
mime = 'audio/mp3'
else
mime = 'audio/mp4'
end
puts <<-EOS
<item>
<title>#{item['name']}</title>
<enclosure url="#{url}"
length="#{item['length']}"
type="#{mime}" />
<guid isPermaLink="true">#{url}</guid>
<pubDate>#{item['time'].rfc822}</pubDate>
</item>
EOS
end
puts <<EOS
</channel>
</rss>
EOS
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