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I have invoices being sent to our system as PDF files. From there I have a script that periodically checks directory for files and prints them to CUPS attached network printers (HP LJ 400) via ipp.

Every invoice needs to have 4 copies, so the command used is:

lpr -P invoiceprint -# 4 invoice.pdf

(invoiceprint is a class consisting of 2 printers, btw)

I can see that on each invoice CUPS is creating 4 print jobs, 1 for each copy.

How can I superimpose copy number on every copy?

So that I would have each copy of the original file coming out with a number "Copy 1", "Copy 2" etc on it.

Is there any way to send superimposed print information to the printer, or should I merge another PDF with the existing one? If so, which is the best tool to do it, and can I add this with CUPS filtering or do I have to create separate PDFs and send each of them to CUPS separately?

Jeff Schaller
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Gnudiff
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1 Answers1

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Actually there is a utility called pdfstamp, part of libtext-pdf-perl package, which does exactly that -- adds text to existing pdf (as a new layer, apparently).

Found info thanks to this question, pdfstamp was mentioned in comments.

The only issue is it doesn't seem to understand UTF8, even when using Unicode TTF fonts.

Gnudiff
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