Caule

A simple DSL, based on Anemone, to build web crawlers easily.

Installation

Add this line to your application's Gemfile:

gem 'caule'

And then execute:

$ bundle

Or install it yourself as:

$ gem install caule

Usage

Caule.start("http://rubygems.org/") do |crawler|
  crawler.on_every_page do |page| # page is a Mechanize::Page instance
    puts page.uri
  end

  crawler.on_pages_like(/\//) do |page| # runs only on the home page
    puts page.uri
  end

  crawler.focus_crawl do |page| # filter the links that the bot must crawl
    page.links_with(:href => /\/gems/)
  end
end

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Added some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request

License

See LICENSE file