Created
March 25, 2009 16:00
-
-
Save terrbear/85546 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#here's what the scrape method looks like | |
def scrape!(&block) | |
next_link = nil | |
self.logged_in do | |
loop do | |
break if next_link == "none" | |
response = next_link ? | |
self.http_get(next_link) : | |
response = self.http_post(self.results_url, @conditions) | |
next_link = find_next_link(response.body) | |
continue = yield self.create_results(response.body) | |
break unless continue | |
end | |
end | |
end | |
#here's how some code working with a similar convention | |
#should work | |
DATA = [ | |
{:name => "Bob Sagat", :age => 53}, | |
{:name => "Terry Heath", :age => 25}, | |
{:name => "Jeremiah Marcum", :age => 27} | |
] | |
def scrape!(&block) | |
index = 0 | |
loop do | |
guy = DATA[index] | |
break if guy.nil? | |
continue = yield guy | |
index += 1 | |
break unless continue | |
end | |
end | |
def scrape_all | |
#output = Bob Sagat, Terry Heath, Jeremiah Marcum | |
results = [] | |
scrape! do |guy| | |
#in your case, guy would be an array of results | |
results << guy | |
true | |
end | |
puts "scrape all results! #{results.map{|x| x[:name]}.join(', ')}" | |
end | |
def scrape_2 | |
#output = Bob Sagat, Terry Heath | |
results = [] | |
scrape! do |guy| | |
results << guy | |
results.size < 2 | |
end | |
puts "scrape 2 results! #{results.map{|x| x[:name]}.join(', ')}" | |
end | |
scrape_all | |
scrape_2 |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment