more mechanize: mass-adjust meetup communication settings

meetup.rb

#!/usr/bin/ruby
require 'rubygems'
require 'mechanize'

print "email: "
email = gets.chomp
print "password: "
password = gets.chomp

agent = Mechanize.new
agent.get 'https://secure.meetup.com/login'
agent.page.forms.first.tap do |f|
  f.set_fields :email => email, :password => password
  f.submit
end

agent.get 'http://www.meetup.com/account/comm/'
links = agent.page.links_with :text => 'Edit communication settings'

links.each do |link|
  print "#{link.href}... "
  agent.get link.href
  agent.page.forms.first.tap do |f|
    # no message board updates (for those meetups that have one)
    f.checkboxes.detect{|c| c.node[:id] == 'updates'}.tap{|c| c.uncheck if c}
    # no event reminders
    f.checkbox_with(:name => 'evRemind').uncheck
    f.submit
  end
  puts 'ok'
end

to unsubscribe from a meetup group completely:

agent.get "http://www.meetup.com/Some-Group/unsubscribe/"
agent.page.forms.first.submit