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Editorial Team
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Asked: 2026-05-19T11:24:40+00:00

Is there a Rails gem or plugin to get a list of image URLs

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Is there a Rails gem or plugin to get a list of image URLs on a page, given the page’s URL?

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1 Answer

  1. Editorial Team

    Use the Nokogiri gem to parse the page and then get the src attribute of all img tags that appear in the document:

    $ irb
irb(main):001:0> require 'rubygems'
irb(main):002:0> require 'nokogiri'
irb(main):003:0> require 'open-uri'
irb(main):004:0> doc = Nokogiri::HTML(open("http://stackoverflow.com/questions/4741550"))
irb(main):006:0> doc.css('img').collect {|elem| elem[:src] }
=> ["http://www.gravatar.com/avatar/0543907746be29497b873de97957d3ab?s=32&d=identicon&r=PG",
    "/posts/4741550/ivc/9291",
    "http://pixel.quantserve.com/pixel/p-c1rF4kxgLUzNc.gif"]
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