Macros inside of pagelabe - pstosp

[franz.pfoertsch.brose]

> >>> I want to print the username or jobinformatioon at the pagelabel
> >>>

>
> No, the standard pstops filter does not support these things.
>
How can I solve my problem?
What is the right way to modiy the pagelabel information with date, userid or somthing like this.

A lot of my cups users want to have something like this.

regards
Franz