Adding a Share by Email Button to Your Tumblr Posts

generate_email_button_html.rb

require 'open-uri'

def main
  image_url = "https://s3.amazonaws.com/gaslight-blog/email_button.png"
  subject = "{Title}"
  body = <<-eos
Check out this article...

{Title} <{ShortURL}>
  eos

  puts "<a href='mailto: ?subject=#{subject}&body=#{encode(body)}'><img src='#{image_url}'></a>"
end

def encode(string)
  string = URI::encode(string)
  string.gsub!('%7B','{')
  string.gsub!('%7D','}') 
  string
end

main