mv \*.jpeg \newname.jpeg

EXTENSION=.jpg

LOGFILE=./log.filemove

TIMESTAMP=$(date +%G%m%d%H%M)

# Loop through every file in the current directory
# with the appropriate extension and rename it to
# the form SUBJECT[RANDOM NUMBER].[EXTENSION]

for FILE in *"$EXTENSION"; do

NEWNAME="SUBJECT${RANDOM}${EXTENSION}"

# Sanity check to make sure the script doesn't
# overwrite a previously renamed file. This is
# unlikely, but we want to check for it to be
# sure.
#Make sure to modify this part so it uses the right name

while [ -e "$NEWNAME" ]; do
NEWNAME="SUBJECT${RANDOM}${EXTENSION}"
done

# Rename the file to its new randomized form

mv $FILE $NEWNAME

# Log the name change mapping

printf '%s\t%s\n' "$FILE" "$NEWNAME" >> $LOGFILE

# Change the timestamp to match for each file
# and further remove differentiating file
# information (differing timestamps) that might
# lead to subconscious research bias

touch -t $TIMESTAMP $NEWNAME

done