SPLIT_PDF_TITLES.sh

#!/bin/bash
set -Eeux
f=493393291-Borda-Manual-de-Contratos-2020.pdf
prev_page=0
prev_title=""
while read line; do
	this_page=$(echo $line | awk '-F:'  '{print $1}')
	this_title=$(echo $line | awk '-F:'  '{print $2}' |xargs)
	target="${f/.pdf/} - $prev_title.pdf"
	if [ "$prev_page" -gt 0 ] && [ ! -f "$target" ]; then
		pdfjam "$f" "$prev_page-$this_page" -o "$target"
	fi
	prev_page="$this_page"
	prev_title="$this_title"
done < <(pdfgrep -n 'CAPÍTULO' "$f")

target="${f/.pdf/} - $prev_title.pdf"
if [ "$prev_page" -gt 0 ] && [ ! -f "$target" ]; then
	pdfjam "$f" "$prev_page-" -o "$target"
fi