The command I ran was:
for i in `find mobile -name "*.png" | sed "s/\(.*\)\/.*\.png/\1/" | sort | uniq`; do trimage -d ${i}; done
The command I ran was:
for i in `find mobile -name "*.png" | sed "s/\(.*\)\/.*\.png/\1/" | sort | uniq`; do trimage -d ${i}; done