Ruby Nokogiri usage example

nokogiri_greyhound_search

# Code Snipet for demonstrating the use of nokogiri
# The code will look up yor retired racing greyhound by its racing name 
# And return info about your dog as well as a list of its litter mates.
#

require 'rubygems'
require 'nokogiri'
require 'open-uri'
require 'uri'

# Use the dog's name for lookup of dog information
dogname = ARGV[0] || "Noble Sky"
get_dog_info_url = "http://www.trackinfo.com/dog.jsp?runnername=" + URI.escape(dogname)
dog_doc = Nokogiri::HTML(open(get_dog_info_url))

# Get the left ear tag which is all the litter id for identifying all litter mates.
left_ear_tag = dog_doc.css("tr:nth-child(2) .it2 a").text
name = dog_doc.css("h1").text
right_ear_tag = dog_doc.css("tr:nth-child(2) .it4").text
starts = dog_doc.css(".detail-wrap tr:nth-child(4) td:nth-child(2)").text
dob = dog_doc.css(".it4 em").text
sex_color = dog_doc.css(".it2 em").text
sex = sex_color[0,1]
color = sex_color[6,4]
sire = dog_doc.css("tr:nth-child(1) .it2 a").text
dam = dog_doc.css(".it4 a").text

# Look up all litter mates
get_litter_info_url = "http://www.trackinfo.com/dog-search.jsp?keyword=" + URI.escape(left_ear_tag)  + "&by=ltattoo"
litter_doc = Nokogiri::HTML(open(get_litter_info_url))

puts("Your Dog: ", dogname, "has the following siblings:")
# Parse the resulting document for key data elements.
# Then print the info to the console.
litter_doc.css(".item-table tbody tr").each do |tr|
    if tr.css(".name").text.casecmp(dogname) != 0
      puts(tr.css(".name").text)
    end
end