nokogiri(1) an HTML, XML, SAX, and Reader parser


Nokogiri (鋸) is an HTML, XML, SAX, and Reader parser. Among Nokogiri’s many features is the ability to search documents via XPath or CSS3 selectors. The nokogiri command parses a document, and launches an interactive ruby session (irb(1)), allowing one to analysing the result interactively.


nokogiri <uri|path> [options]


--type [TYPE]
Set the type of the document to be parsed
-E, --encoding encoding
Set the encoding of the document
-e command
Specifies script from command-line
--rng <uri|path>
Validate using this rng file
-?, --help
Show a message very similar to this man page
-v, --version
Show the version of the program



nokogiri ./public/index.html

curl -s | nokogiri -e'p $_.css(``h1'').length'