Redis Commands

redis-commands

#!/usr/bin/env ruby

require 'nokogiri'
require 'open-uri'

if ARGV.length > 1
  puts 'redis-commands [group]'
  exit 1
end

group = ARGV.first

html = Nokogiri::HTML(open('http://redis.io/commands'))

selector = '.command a text()'
unless group.nil?
  selector.prepend('li[data-group="%s"] ' % group)
end

commands = html.css(selector)
puts commands