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josh-richardson/compress_epub.sh

Last active October 15, 2018 04:05
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Shoddily made bash script to lossy compress epub files which are too big. Requires jpegoptim and pngquant.
Raw
compress_epub.sh
for i in *.epub
do
dir=`basename "$i" .epub`
7z x "$i" -y -o"$dir" &>/dev/null
find "$dir" -name \*.png -exec pngquant --quality=40-50 -f --ext .png {} \;
find "$dir" -name \*.jpg -exec jpegoptim -m60 {} \;
cd "$dir"
zip -9 -r "$dir.small.epub" .
mv "$dir.small.epub" ../
cd -
done
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