rename like dropbox camera upload

#!/bin/sh
for p in IMG RIM CIM
do
  exiftool -d '%Y-%m-%d %H.%M.%S.jpg' "-Filename<DateTimeOriginal" ${p}_*.JPG
  for e in MOV PNG JPG
  do
      for f in `ls ${p}_*.${e}`
      do
          t=`mov2timestr.rb $f $e`
          mv "$f" "$t"
      done
  done
done