gistfile1.rb

Garb::Session.login('username', 'password')

class Report
  include Garb::Resource
  metrics :pageviews
end

Garb::Account.all.each do |account|
  profile = account.profiles.first

  daydata    = Report.results(profile, :start_date => yesterday, :end_date => today)
  weekdata   = Report.results(profile, :start_date => lastweek,  :end_date => today)
  monthdata  = Report.results(profile, :start_date => lastmonth, :end_date => today)
end