correctly number pages

.github/workflows/generate-pdf.yml

@@ -136,14 +136,23 @@ jobs:
       
       - name: Inject page numbers back into the pdf
         run: |
-          num_pages=$(pdftk your_file.pdf dump_data | grep NumberOfPages | awk '{print $2}')
-          sed -i "s/NUMBER/$num_pages/" pdf-generation/numbering.tex
+          mkdir -p pdf_numbering_output
+
+          num_pages=$(pdftk textbook_full_original.pdf dump_data | grep NumberOfPages | awk '{print $2}')
+          sed -i "s/161/$num_pages/" pdf-generation/numbering.tex
           pdflatex pdf-generation/numbering.tex
-          pdftk textbook_full_original.pdf background pdf-generation/numbering.pdf output textbook_full.pdf
+          pdftk pdf-generation/numbering.pdf burst output pdf_numbering_output/number_%03d.pdf
+          pdftk textbook_full_original.pdf burst output pdf_numbering_output/page_%03d.pdf
+          for i in $(seq -f %03g 1 $num_pages) ; do pdftk pdf_numbering_output/page_$i.pdf background pdf_numbering_output/number_$i.pdf output pdf_numbering_output/new_$i.pdf; done
+
+          pdftk pdf_numbering_output/new_???.pdf output textbook_full.pdf
+
+          sed -i "s/$num_pages/161/" pdf-generation/numbering.tex
 
       - name: Remove temporary files, make temporary copy to upload as artifact
         run: |
           rm -rf pdf_output
+          rm -rf pdf_numbering_output
           cp textbook_full.pdf textbook_full_cpy.pdf
 
       - name: Upload PDF as an artifact

pdf-generation/numbering.tex

@@ -2,5 +2,5 @@
 \usepackage{multido}
 \usepackage[hmargin=.8cm,vmargin=1.5cm,nohead,nofoot]{geometry}
 \begin{document}
-\multido{}{192}{\vphantom{x}\newpage}
+\multido{}{161}{\vphantom{x}\newpage}
 \end{document}