Optimize SVG-files, a OS X shell script to be used as a service From http://hjerpbakk.com/blog/2012/9/1/optimize-svg-images-for-retina-displays.html

Optimize SVG OS X service shell script.sh

for f in "$@"
do
    if [ ${f: -4} == ".svg" -o ${f: -4} == ".SVG" ]
    then			
    python /Applications/Utilities/scour/scour.py --enable-comment-stripping --create-groups --enable-id-stripping --shorten-ids --set-precision=5 --quiet --indent=none -i "$f" -o "$f 2"       
    mv "$f 2" "$f"
    fi
done