=begin
This is an attempt to write a spider
start off with requiring gems. then parse a html file
by connecting to a server and using nokogiri to parse the html
into a variable!
=end

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

=begin
create a method to accept a link from the user and return how many
links are present in the url given
=end

def howManyLinks()
    #local links array
    links =[]
    #get the name of link you wanna crawl from the user
    link= gets.chomp
    #use nokogiri to parse the html from the uri
    doc = Nokogiri::HTML(open(link))
    #find all the links in the uri and add them to the local array
    #links!
    doc.css("a").each do |l|
        links.push(l.content)
    end
    #print the outcome
    puts "The spider found #{links.count} links"
end