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How to remove node using Nokogiri?

How to remove <img> tags using Nokogiri?

I have the following code, but it does not work:

 # str = '<img src="canadascapital.gc.ca/data/2/rec_imgs/5005_Pepsi_H1NB.gif"/…; testt<a href="#">test</a>tfbu' f = Nokogiri::XML.fragment(str) f.search('//img').each do |node| node.remove end puts f
+48
ruby nokogiri
Nov 10 '09 at 14:49
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2 answers

try it!

 f = Nokogiri::XML.fragment(str) f.search('.//img').remove puts f
+65
Nov 12 '09 at 6:35
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— -

I prefer CSS over XPath as it is usually more readable. Transition to CSS:

 require 'nokogiri' doc = Nokogiri::HTML('<html><body><img src="foo"><img src="bar"></body></html>')

After parsing the document, it looks like this:

 doc.to_html # => "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\" \"http://www.w3.org/TR/REC-html40/loose.dtd\">\n<html><body>\n<img src=\"foo\"><img src=\"bar\">\n</body></html>\n"

Removing <img> tags:

 doc.search('img').each do |src| src.remove end

Results in:

 doc.to_html # => "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\" \"http://www.w3.org/TR/REC-html40/loose.dtd\">\n<html><body></body></html>\n"
+8
Sep 29 '13 at 4:03
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