input="sites.csv" while IFS='|' read -r f1 f2 do # optimize jpg images created in the last 24 hours find $f2 -iname "*.jpg" -o -iname "*.jpeg" -ctime 0 -print0 | xargs -0 jpegoptim --quiet --strip-all -m76 # optimize png images created in the last 24 hours find $f2 -iname '*.png' -ctime 0 -print0 | xargs -0 optipng -o7 -quiet -preserve # convert png to webp find $f2 -iname "*.png" -ctime 0 -print0 | xargs -0 -I {} \ bash -c 'webp_version="$0".webp if [ ! -f "$webp_version" ]; then { cwebp -quiet -lossless {} -o {}.webp; } fi' find $f2 -iname "*.jpg" -o -iname "*.jpeg" -ctime 0 -print0 | xargs -0 -I {} \ bash -c 'webp_version="$0".webp if [ ! -f "$webp_version" ]; then { cwebp -quiet -lossless {} -o {}.webp; } fi' done < "$input"