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Scrapes img alt tags from HTML using Ruby with Nokogiri gem
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| require 'nokogiri' | |
| require 'open-uri' | |
| #Scrapes img alt tags from specified URL | |
| url = "CHANGE ME" | |
| alt_tags = Array.new | |
| doc = Nokogiri::HTML(open(url)) | |
| alt_tags = doc.css('img').map{ |i| i['alt'] } | |
| #Prints out unique alt tags | |
| puts alt_tags.uniq |
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