sudo apt instll djvulibre-bin libdjvulibre21 okular-extra-backends evince libevdocument3-4 libevview3-3
sudo apt-get install libtiff-tools
thn in bash script:
for f in /home/evgeniy/Documents/books/*.djvu
do
echo "$f"
ddjvu -format=tiff $f $f.tiff
tiff2pdf -j -o $f.pdf $f.tiff
done
thnfk you for answer and corrections,