Nokogiri: an HTML, XML, SAX, and Reader parser
Usage: nokogiri <uri|path> [options]

Examples:
  nokogiri https://www.ruby-lang.org/
  nokogiri ./public/index.html
  curl -s http://www.nokogiri.org | nokogiri -e'p $_.css("h1").length'

Options:
        --type type                  Parse as type: xml or html (default: auto)
    -C file                          Specifies initialization file to load (default /tmp/.nokogirirc)
    -E, --encoding encoding          Read as encoding (default: none)
    -e command                       Specifies script from command-line.
        --rng <uri|path>             Validate using this rng file.
    -?, --help                       Show this message
    -v, --version                    Show version