#!/bin/bash
#
# Delete thumbnails for which the associated recording has been deleted.
# Use at your own risk (and don't store important PNG's in your recordings
# directory).

# Set this to the location of your recordings directory
RECORDINGS_DIR=/var/video

cd $RECORDINGS_DIR
for thumbnail in `ls *.png`; do
  recording=`basename $thumbnail '.png'`
  if [ ! -f $recording ]; then
    echo Deleting $thumbnail
    rm $thumbnail
  fi
done