When using Nokogiri, how do you suppress the insertion of self-closing tags?

问题

My XML doc, which is the config file for a Jenkins job, has a lot of empty tags like:

<string></string>

which Nokogiri replaces with:

<string/>

While this is the "recommended" way to write XML, it ends up generating unnecessary changes to the XML that make it difficult to read the meaningful content changes. Is there a way to suppress this behavior?

回答1:

You can use the NO_EMPTY_TAGS option:

doc.to_xml(:save_with => Nokogiri::XML::Node::SaveOptions::NO_EMPTY_TAGS)

or the rather more concise:

doc.to_xml &:no_empty_tags

来源：https://stackoverflow.com/questions/26416406/when-using-nokogiri-how-do-you-suppress-the-insertion-of-self-closing-tags