Find the checksum of the file:
md5sum ./testfile.md
Run this script
checksum=e59ff97941044f85df5297e1c302d260
directory=./images-201602131211
for FILE in `ls $directory`
do
h=`md5sum $directory/$FILE | awk '{ print $1 }'`
# echo Checking $h
if [ "$checksum" = "$h" ]; then
echo Removing $FILE
#rm $directory/$FILE
fi
done