matthieuheitz/djvu2pdf.sh

## djvu2pdf.sh
#!/bin/bash

# Method found here https://askubuntu.com/a/122604/423332

# Dependencies:
# On ubuntu, you can install ocrodjvu and pdfbeads with:
#   sudo apt install ocrodjvu
#   gem install pdfbeads

# The path and filename given can only contain ascii characters
f=$1

# Get filename
filename=$(basename -- "$f")
extension="${filename##*.}"
file_no_ext="${filename%.*}"

# Count number of pages
echo "f=$f"
p=$(djvused -e n "$f")
echo -e "The document contains $p pages.\n"

# Number of digits
pp=${#p}

echo "###############################"
echo "### Extracting page by page ###"
echo "###############################"

# For each page, extract the text, and the image
for i in $( seq 1 $p)
do
    ii=$(printf %0${pp}d $i)
    djvu2hocr -p $i "$f" | sed 's/ocrx/ocr/g' > pg$ii.html
    ddjvu -format=tiff -page=$i "$f" pg$ii.tiff
done

echo ""
echo "##############################"
echo "### Building the final pdf ###"
echo "##############################"

# Build the final pdf
pdfbeads > "$file_no_ext".pdf

echo ""
echo "Done"


# Remove temp files
echo ""
read -p "Do you want to delete temp files ? (pg*.html,  pg*.tiff,  pg*.bg.jpg) " -n 1 -r
echo    # (optional) move to a new line
if [[ $REPLY =~ ^[Yy]$ ]]
then
    rm pg*.html pg*.tiff pg*.bg.jpg
fi
	#!/bin/bash

	# Method found here https://askubuntu.com/a/122604/423332

	# Dependencies:
	# On ubuntu, you can install ocrodjvu and pdfbeads with:
	# sudo apt install ocrodjvu
	# gem install pdfbeads

	# The path and filename given can only contain ascii characters
	f=$1

	# Get filename
	filename=$(basename -- "$f")
	extension="${filename##*.}"
	file_no_ext="${filename%.*}"

	# Count number of pages
	echo "f=$f"
	p=$(djvused -e n "$f")
	echo -e "The document contains $p pages.\n"

	# Number of digits
	pp=${#p}

	echo "###############################"
	echo "### Extracting page by page ###"
	echo "###############################"

	# For each page, extract the text, and the image
	for i in $( seq 1 $p)
	do
	ii=$(printf %0${pp}d $i)
	djvu2hocr -p $i "$f" \| sed 's/ocrx/ocr/g' > pg$ii.html
	ddjvu -format=tiff -page=$i "$f" pg$ii.tiff
	done

	echo ""
	echo "##############################"
	echo "### Building the final pdf ###"
	echo "##############################"

	# Build the final pdf
	pdfbeads > "$file_no_ext".pdf

	echo ""
	echo "Done"


	# Remove temp files
	echo ""
	read -p "Do you want to delete temp files ? (pg.html, pg.tiff, pg*.bg.jpg) " -n 1 -r
	echo # (optional) move to a new line
	if [[ $REPLY =~ ^[Yy]$ ]]
	then
	rm pg.html pg.tiff pg*.bg.jpg
	fi