apps/ishell/convert_to_webp.sh

#! /bin/sh

read -p "Continue (y/n)? " choice
case "$choice" in
	y|Y ) echo "yes" ;;
	n|N ) echo "no" && exit 0 ;;
	* ) echo "invalid" && exit 1 ;;
esac

# Convert all the PNG and JPEG files to WebP format with 75 quality lossy compression
# Then delete all the unused JPEG/PNG files
find ./ -type f -name '*.png' -exec sh -c 'cwebp -q 80 $1 -o "${1%.png}.webp" && rm "${1}"' _ {} \;
find ./ -type f -name '*.jpg' -exec sh -c 'cwebp -q 80 $1 -o "${1%.jpg}.webp" && rm "${1}"' _ {} \;
find ./ -type f -name '*.jpeg' -exec sh -c 'cwebp -q 80 $1 -o "${1%.jpeg}.webp" && rm "${1}"' _ {} \;
find ./ -type f -name '*.gif' -exec sh -c 'cwebp -q 80 $1 -o "${1%.gif}.webp" && rm "${1}"' _ {} \;

# find ./ -type f -name '*.jpg' -delete ;
# find ./ -type f -name '*.jpeg' -delete ;
# find ./ -type f -name '*.png' -delete ;