Script for parsing csv table of contents and aggregating a number of pdfs with bookmarks using pdftk and gs

agregare.sh

#!/bin/bash
files=""
options=""
title=""
pages=0
page_number=1
i=1
for f in TCST\ *.pdf
do
  pages=$(pdfinfo "$f" | grep Pages | awk '{print $2}')
#echo '~~~>>' + $pages
  f=${f// /\\ }
  title=$(awk "NR==${i}" 'ToC.csv')
#echo $i + '~~~~' + $title
  ((i++))
  options="${options} -c [\"/Page ${page_number} /View [/XYZ null null null] /Title (${title}) /OUT pdfmark\""
  page_number=$((${pages} + ${page_number}))
#echo $page_number
  files="${files} ${f}"
done

#echo $files
#echo $options
echo "gs -dNOPAUSE -sDEVICE=pdfwrite -sOUTPUTFILE=TCST.pdf $options -dBATCH $files"