dump_friends_and_followers.rb

#!/usr/bin/ruby

require 'rubygems'
require 'rubytter'
require 'yaml'
require 'pit'
require 'pp'

def to_yaml(users, filename)
  users.to_yaml
  open(filename, 'w') do |f|
    YAML.dump(users, f)
  end
end

def get_friends(client, username)
  friends = Array.new
  last = nil
  begin
    last = client.friends(username, :cursor => last ? last.next_cursor : -1)
    friends.concat(last.users)
  rescue Timeout::Error, StandardError
    puts "print Timeout::Error, StandardError"
    break
  end until last.next_cursor == 0
  return friends
end

def get_followers(client, username)
  followers = Array.new
  last = nil
  begin
    last = client.followers(username, :cursor => last ? last.next_cursor : -1)
    followers.concat(last.users)
  rescue Timeout::Error, StandardError
    puts "print Timeout::Error, StandardError"
    break
  end until last.next_cursor == 0
  return followers
end

def create_client
  config = Pit.get("twitter")
  username = config['username']
  password = config['password']
  return Rubytter.new(username, password)
end

username = 'kayakaya'

client = create_client
to_yaml(get_friends(client, username), 'friends.yaml')
to_yaml(get_followers(client, username), 'followers.yaml')

friends_followers_created_at.rb

#!/usr/bin/env ruby

require 'yaml'
require 'date'
require 'pp'

def read_friends
  file = 'friends.yaml'
  return friends = YAML.load_file(file)
end

def read_followers
  file = 'followers.yaml'
  return friends = YAML.load_file(file)
end

def count_create(users)
  created_years = Array.new
  users.each do |user|
    created_date = Date.parse(user['created_at'])
    created_years << created_date.year
  end
  return created_years
end

friends = read_friends
followers = read_followers

friends_created_year = count_create(friends)
followers_created_year = count_create(followers)

[2006, 2007, 2008, 2009,2010].each do |year|
  puts "#{year},#{friends_created_year.count(year)},#{followers_created_year.count(year)}"
end