script to PDF to JPG using pdftk and imagemagick

pdf2jpg.sh

#!/bin/bash

# Script to convert PDF file to JPG images
#
# Dependencies:
# * pdftk
# * imagemagick

for PDF in *.pdf; do
    echo "Processing $PDF"
    DIR=`basename "$PDF" .pdf`
    mkdir "$DIR"

    echo '    Splitting PDF file to pages...'
    pdftk "$PDF" burst output "$DIR"/%04d.pdf
    pdftk "$PDF" dump_data output "$DIR"/metadata.txt

    echo '    Converting pages to JPEG files...'
    for i in "$DIR"/*.pdf; do
      convert -colorspace RGB -interlace none -density 300x300 -quality 100 "$i" "$DIR"/`basename "$i" .pdf`.jpg
    done
    
    echo '    Removing temporary files...'
    find "$DIR" -name \*.pdf -delete
    find "$DIR" -name \*.txt -delete
    
    echo '    Done'
done

echo 'All done'