#!/bin/bash
# Improved as per feedback from @pascal - https://gist.github.com/julianxhokaxhiu/c0a8e813eabf9d6d9873#gistcomment-3086462
find . -type f -name "*.png" -o -name "*.PNG" -print0 | xargs -0 -I {} optipng -nb -nc "{}"
find . -type f -name "*.png" -o -name "*.PNG" -print0 | xargs -0 -I {} advpng -z4 "{}"
find . -type f -name "*.png" -o -name "*.PNG" -print0 | xargs -0 -I {} pngcrush -rem gAMA -rem alla -rem cHRM -rem iCCP -rem sRGB -rem time -ow "{}"
find . -type f -name "*.jpg" -o -name "*.JPG" -print0 | xargs -0 -I {} jpegoptim -f --strip-all "{}"
find . -type f -name "*.jpeg" -o -name "*.JPEG" -print0 | xargs -0 -I {} jpegoptim -f --strip-all "{}"