applies watermark to a pdf

gistfile1.rb

i = 1
h.each_pair do |id, type|
  puts "#{id} - #{i}/#{h.size}"
  begin
    eval "`python '/System/Library/Automator/Watermark PDF Documents.action/Contents/Resources/tool.py' --input #{id}/joined.pdf --output all/#{id}.pdf --scale=0.7 --yOffset=739 --xOffset=450 #{id}/thumb.png`"
  rescue
    puts "oh :("
  end
  i = i+1
end