Internetworkers: http://www.ibiblio.org/internetworkers/

["Tony Spencer" <tony AT tonyspencer.com>]

You could potentially create a "PDF download" interface that upon clicking
the link:

Creates a temporary copy of the original PDF
Adds a date timestamp "Expires on ..."
Sends the temporary copy in the HTTP response

A simple cron job could clean out your temp folder regularly.

> -----Original Message-----
> From: internetworkers-bounces AT lists.ibiblio.org 
> [mailto:internetworkers-bounces AT lists.ibiblio.org] On Behalf 
> Of raustin3 AT nc.rr.com
> Sent: Thursday, April 08, 2004 2:05 PM
> To: Internetworkers: http://www.ibiblio.org/internetworkers/
> Subject: Re: [internetworkers] PDF Printing Question
> 
>  Actually, the PDFs will be static. It would be great if I 
> could print them from the originals, but that isn't the case 
> due to the PDF construction methods that are used. These are 
> paper based scanned docs into PDFs mostly.
>  Interesting problem. Thanks, Roger
> 
> ----- Original Message -----
> From: Sil Greene <Sil_greene AT unc.edu>
> Date: Thursday, April 8, 2004 1:52 pm
> Subject: Re: [internetworkers] PDF Printing Question
> 
> > 
> > It is possible to generate PDFs on-the-fly .. so you could generate 
> > the PDF, it opens in their browser plug-in with the "Expires on ..."
> > in the
> > margin, and they print.  Voila.
> > 
> > Actually, this is probably what you want, right?  What if the user 
> > saved the file to disk and printed, say, a week later?  
> Would you want 
> > the expiration date to be two weeks from when they got the PDF from 
> > your site, or two weeks from when they sent the job to the printer?
> > 
> > --Sil
> > 
> > 
> > 
> > Reported 04.04.08 13:43 from raustin3 AT nc.rr.com:
> > .:
> > .: A user wants to be able to expire PDFs a couple of weeks 
> after they 
> > .:are printed from web access. For example, someone clicks 
> to bring up 
> > .:a PDF file in a browser plug-in and selects print. The 
> user wants to 
> > .:have a date printed on the PDF (watermark perhaps?) which 
> says that 
> > .:the document expires in two weeks from the time it was printed.
> > .: I've looked through the documentation from Adobe without 
> much luck, 
> > .:but I thought someone else may have discovered the trick 
> or can say 
> > .:it ain't possible. Any thoughts?
> > .:
> > .:
> > .:---
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> > --
> > "If you put your supper dish to your ears you can hear the sounds
> > of a restaurant."  --Snoopy    (Charles Schultz 02-12-2000 RIP)
> > Sil_Greene AT unc.edu
> > 
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