booky.sh

#!/bin/bash

# Change to the directory of pdf file
SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
cd $(dirname "$1")
pdf=$(basename "$1")
pdf_data="${pdf%.*}""_data.txt"
EXTRACT_FILE=booky_bookmarks_extract
bkFile="$2"


if [[ "$OSTYPE" == "darwin"* ]]; then
    SED=gsed
else
    SED=sed
fi

echo "Converting $bkFile to pdftk compatible format..."
python3 $SCRIPT_DIR/booky.py < "$bkFile" > "$EXTRACT_FILE"

echo "Dumping pdf meta data..."
pdftk "$pdf" dump_data_utf8 output "$pdf_data"

echo "Clear dumped data of any previous bookmarks..."
$SED -i '/Bookmark/d' "$pdf_data"

echo "Inserting your bookmarks in the data..."
$SED -i "/NumberOfPages/r $EXTRACT_FILE" "$pdf_data"

echo "Creating new pdf with your bookmarks..."
pdftk "$pdf" update_info_utf8 "$pdf_data" output "${pdf%.*}""_bookmarked.pdf"

echo "Deleting leftovers..."
rm "$EXTRACT_FILE" "$pdf_data"