Script to move files from iPhoto exports into appropriate subfolders

iphoto2folders.sh

# iphoto2folders.sh
#
# Script to move files from iPhoto exports into appropriate subfolders
# (according file name prefix as chosen in iPhoto, here "Events".
#
#	First, in iPhoto select all events and do Photos > Batch Change
#	Set Title to Event Name
#	With all events highlighted, export events a folder somewhere, for filename use title
#	Photos will be exported with filename of "event - number.jpg" (ex: Animals - 0004.jpg)
#
#	Set the iphoto_dir variable below to the full path of the directory
# 
# Written by Martin Michel, Jan 2017 
# (inspired by http://hints.macworld.com/article.php?story=20081108132735425)

shopt -s extglob
IFS=$'\n'
iphoto_dir='/home/martin/Public/Shared_Pictures/iPhoto_Export/'
cd $iphoto_dir
dirs=(`ls -1 | awk -F' - ' '{print $1}' | sort -u`)

for event in ${dirs[*]}
do
  if [ ! -d $event ] 
  then mkdir $event
  fi
  for filename in $event*@(.jpg|.MOV|.AVI|.mp4|.mov)
  do
    mv $filename $event/`echo $filename | awk -F' - ' '{print $2}'`
  done
done