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mindreframer/dw_audio_course_rss_feed_to_html.rb

Created February 11, 2013 12:40
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create HTML-page from Deutsche Welle Audio Course
Raw
dw_audio_course_rss_feed_to_html.rb
#!/usr/bin/env ruby
# encoding: UTF-8
require 'rubygems'
require 'nokogiri'
require 'open-uri'
url = "http://rss.dw.de/xml/DKpodcast_audiotrainer_de"
filename = "DKpodcast_audiotrainer_de"
unless File.exists?(filename)
`wget #{url}`
end
xml = Nokogiri::XML(File.read(filename))
def remove_html(args)
args.map do |e|
e.to_s.gsub(%r{</?[^>]+?>}, '')
end
end
titles = remove_html(xml.search("//title").reverse)
links = remove_html(xml.search("//link").reverse)
descriptions = remove_html(xml.search("//description").reverse)
template = <<-TEMPLATE
<div>
<a href="@@link@@">@@title@@</a>
@@descriptions@@
</div>
TEMPLATE
templates = titles.size.times.map do |i|
template.
gsub("@@descriptions@@", descriptions[i]).
gsub("@@link@@", links[i]).
gsub("@@title@@", titles[i])
end
html = <<-HTML
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title></title>
</head>
<body>
@@content@@
</body>
</html>
HTML
puts html.gsub("@@content@@", templates.join("\n"))
# write the output of this string to a file
# ruby dw_audio_course_rss_feed_to_html.rb > dw_audio_links.html
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