Make sure you have installed the following ubuntu/debian packages sudo apt update ; sudo apt install imagemagick poppler-utils rename

0. Create two directories: Monopagina and Multipagina

1. Put the multipage PDFs in Multipagina

2. Create directories for each ls *pdf | sed -e 's/ /_/g' | awk '{print "mkdir \"../Monopagina/" $0 "/\""}' | sed 's/.pdf//g' | bash

3. Convert ls *pdf | sed 's/.pdf//g' | awk '{print "pdfimages -j \"" $0 ".pdf\" \"../Monopagina/" $0 "/\""'} | bash

4. Rename ls *pdf | sed 's/.pdf//g' | awk '{print "cd \"../Monopagina/" $0 "\" ; for filename in *.jpg; do mv -- \"$filename\" \"" $0 "_pg$filename\"; done; cd -" }' | bash

5 Put into single folder. If you want all JPEGs to be in a single folder, do: ls *pdf | sed 's/.pdf//g' | awk '{print "cd \"../Monopagina/" $0 "\" ; for filename in *.jpg; do mv -- \"$filename\" ..; done; cd -" }' | bash 5.1 Delete empty folders cd ../Monopagina ; find . -type d -empty -delete

1. archivos pdf con muchos documentos y bookmarks por documento
2. un archivo pdf por cada página (extraido con adobe acrobat)

sudo snap install pdftk

pdftk "Tomo III.pdf" dump_data_^Cf8 > in_III.info

Convertir a tiffs

1. Crear script ls *pdf | awk '{print "convert -density 300 \"" $0 "\" TOMO_II_" $5 ".tiff"}' | sed 's/pdf\.tiff/tiff/g' > convert.sh
2. Ejecutar script sh convert.sh

1. Los binarios de tesseract :apt-get install tesseract-ocr libtesseract-dev tesseract-ocr-spa
2. Los paquetes de python pip install -r requirements.txt