>Has Anyone out there, ever bothered to hack into pdf files, to extract things like title, subject, keywords from pdf files, in order to create a database from those fields. ? My first thinking would be to use filetostr and the at or atc() function to extract this out. any other thoughts. or has someone already written this.?
>
>thanks in advance.
>Bob Lee
This site has a copy of the pdf file format specification - I haven't read this one, so can't comment on accuracy, but it's free

http://www.wotsit.org/

specific file (3.1Mb) is

http://www.wotsit.org/filezdir/pdfspec.zip