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ggtmtmgg/youtube_playlist_dl_mp3.rb

Created January 18, 2017 03:19
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youtube_playlist_dl_mp3.rb
require 'nokogiri'
require 'open-uri'
URL = 'https://www.youtube.com'
PLAYLIST_URL = URL + '<Playlist Path>'
puts = 'Scraping..'
doc = Nokogiri::HTML(open(PLAYLIST_URL))
videos_xpath = '//*[@id="pl-load-more-destination"]/tr'
videos = doc.xpath(videos_xpath)
a_tag_xpath = 'td[4]/a'
videos.each do |video, i|
a_tag_xpath = 'td[4]/a'
a_tag = video.xpath(a_tag_xpath)
path = a_tag.attr('href').value.gsub(/\&.*/, '')
puts full_url = URL + path
`youtube-dl --extract-audio --audio-format mp3 '#{full_url}'`
end
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