#/bin/sh
# Inpiration: http://engineeringblog.yelp.com/2016/05/yelp-android-app-went-on-a-diet.html
# `-lossless` not used to give support for Android 4.0+
# Make sure cwebp is installed.
if ! type "cwebp" > /dev/null; then
echo "Please install cwebp to continue:"
echo "brew install webp"
exit 1
fi
# Convert all the images in the project that are not converted.
for f in $(find . -name "*.jpg")
do
echo "Converting $f"
oldSize=$(du -h $f)
cwebp -pass 10 -m 6 -mt -jpeg_like -q 60 $f -o "${f/%.jpg/.webp}" &>/dev/null
newSize=$(du -h ${f/%.jpg/.webp})
echo "The image was compressed: $oldSize -> $newSize"
rm $f
done