Bash script used to created pdf files for the Texas State Documents Scanning process

jpg2pdf.sh

   for i in *
   do
       echo "creating pdfs"
       find "$i" -maxdepth 1 -name "*.jpg" | xargs -i -n 1 -P 6 convert -density 200x200 -compress jpeg -quality 80 "{}" "{}".pdf
       echo "compressing pdfs"
       find "$i" -maxdepth 1 -name "*.jpg.pdf" | xargs -i -n 1 -P 5 gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/screen -dNOPAUSE -dQUIET -dBATCH -sOutputFile={}_out.pdf {}
       cd "$i"
       echo "concatinating pdfs"
       pdftk *_out.pdf cat output temp.pdf
       echo "linerizing pdf"
       qpdf --linearize temp.pdf $i.pdf

       rm *.jpg.pdf
       rm *_out.pdf
       rm temp.pdf
       mkdir 01_jpg
       mv *.jpg 01_jpg
       mkdir 02_pdf
       mv "$i".pdf 02_pdf
       cd ..
   done