function wrappers // code design

Hello,

I've been wondering how to improve this part of code in terms of code design:

(I'm especially interested in calling the same function with different default attributes - a lot of code duplication)

def follow_pages(number_of_pages = 5, sleep_interval = 5)   process_pages true, number_of_pages, sleep_interval end

def unfollow_pages(number_of_pages = 5, sleep_interval = 5)   process_pages false, number_of_pages, sleep_interval end

def process_pages(follow = true, number_of_pages = 5, sleep_interval = 5)   number_of_pages.times do |page|

    sleep rand(sleep_interval)

    if follow       follow_all_pages     else       unfollow_all_pages     end

  end

end

Thanks for help