[cups] Query regarding setting up common Interface for print jobs

[Brian Potkin]

On Wed 09 Aug 2017 at 09:38:27 +0200, Narcis Garcia wrote:

> El 08/08/17 a les 20:27, Brian Potkin ha escrit:
> > On Mon 07 Aug 2017 at 20:59:24 +0200, Narcis Garcia wrote:
> > 
> >> I suppose this can be made with a filter, writing a simple script that
> >> gets the job and sends (lp) to one printer depending on job username or
> >> caption.
> > 
> > The OP wants to discriminate between submitted files based on which
> > *application* they came from. In the most general case this is most
> > likely not doable. Narrowing it down to particular applications might
> > produce a solution.
> > 
> 
> Job caption might be set differently by application.
> This is the data I get with a filter script; hope some field is useful
> for your OP purpose:
> 
> JobID="$1"	# Example: "773"
> JobUsername="$2"	# Example: "user"
> JobCaption="$3"	# Example: "My cooking recipes"

[A big snip]

My problem in understanding JobCaption as a solution is in the context
of using Debian.

Evince and Firefox both send a PDF to the printing system. Both PDFs are
generated by Cairo. How does one distinguish between the applications
which are used to send "My cooking recipes"?

-- 
Brian.