How can I programmatically renumber pages in a PDF?

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QUESTION :

As a graduate student, I come across PDFs of articles and book chapters on a daily basis. Sometimes these PDFs are paginated correctly internally (that is, if an article starts on page 67, the PDF starts on page 67 as well; not on page 1). When they aren’t, I have to open the file in Acrobat and renumber the pages in the “Page Thumbnails” panel.

I would love to be able to automate this whole process with a script (bash, Python, AppleScript, whatever) that lets me pass the first actual page number… something like fixpagination example.pdf 67. However, I cannot find any terminal-based program that can re-paginate PDFs. Neither pdftk nor PyPDF seem to be able to deal with pagination.

Are there any scriptable programs that can internally re-paginate PDF files?

ANSWER :

You might want to check out this Q&A.

There is a little python script, that can do the job: https://github.com/lovasoa/pagelabels-py

In your case call:

./addpagelabels.py --delete file.pdf
./addpagelabels.py --startpage 1  --firstpagenum 67 file.pdf

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