title: How to fill out a pdf file programatically?
body: <p>What techniques available to fill a pdf form automatically using external data and save them. I have to use data from a database to fill a template pdf and save a copy of it on disk with that data. Language and platform is not issue but it would be good if it can run on windows and Linux.</p>
  
  <p>Any one can guide me through it or point to any article that might help.</p>