>>I've done that in the past - fairly limited - in foxpro
>>
>>A class that could 'read' pdf files.
>>- Delete a page
>>- Duplicate a page
>>- Add text on any page ( font, fontsize, position)
>>
>>Then write the modified contents to a new pdf
>
>Seems to be doable. I will have to try to take a look at that approach when I will have time.

Programming reading and writing the pdf will take you at least a week