gem install 'bulk_youtube'

obj = BulkYoutube::Scrape.new(youtube_path,save_folder, max_downloads) 
obj.grab_links.you_convert 
# word is born 

Uses mechanize (2.7.2)

Purpose: when you need to download multiple youtube files, say a course or tutorial i.e. to watch offline. 

Note: pass in max_downloads to increase the amount of mp4s can send.

> search = 'https://www.youtube.com/playlist?list=PLV1-QgpUU7N2TVWS6gEVMqEfAFjAl-DV6'
> save = '/path/to/save'
> word = 'French'

Without keyword search:
> find = Scrape.new(search,save)
> find.grab_links.links #show the link objects as is
> find.grab_links.show #show a more concise version  
> find.grab_links.you_convert #send links to folder

With keyword search:
> find = Scrape.new(search,save)
> find.grab_links('French').links
> find.grab_links('French').you_convert

Set to download more
> Scrape.new(search,save,10).grab_links.you_convert