Group photo by year, and rename photo with continuous index automatically

arrange_photos.sh

#!/bin/bash

find . \( -iname '*?.*' -not -iname '*.sh' -not -iname '*.txt' \) -maxdepth 1 > new.txt
find . \( -iname '*?.*' -not -iname '*.sh' -not -iname '*.txt' \) -mindepth 2 > raw.txt

BASE_TIME=$(cat new.txt | xargs stat -f '%B' | sort -n | head -n 1 | awk '{print $1}')
if [ "${BASE_TIME}" = "" ]
then
	echo "WARN:NO_PICTURES_FOR_PROCESS"
	rm *.txt
	exit
fi

cat raw.txt | xargs stat -f '%B|%N' | awk -F'|' -v time=${BASE_TIME} '{if($1<time){print $2}}' > old.txt
BASE_INDX=$(cat old.txt | sort -n | tail -n 1 | awk -F'_' '{print $NF}' | awk -F'.' '{print $1}')
if [ "${BASE_INDX}" = "" ]
then
	BASE_INDX=0
fi

echo "BASE_TIME:${BASE_TIME} BASE_INDX:${BASE_INDX}"

cat raw.txt | xargs stat -f '%B|%N' | awk -F'|' -v time=${BASE_TIME} '{if($1>=time){print $2}}' > old.txt

function dojob()
{
	mkdir -pv ${2}
	
	name=$(uuidgen).$(echo ${3} | awk -F'/' '{print $NF}')
	mv -v ${3} ${name}
	
	id=$(python -c "print '%05d'%(${4})")
	mv -v ${name} ${2}/IMG_${id}.$(echo ${3}|awk -F'.' '{print $NF}')
}

export -f dojob

cat new.txt old.txt | xargs stat -t '%Y' -f '%B|%SB|%N' | sort -n | awk -F'|' -v offset=${BASE_INDX} '{system("dojob " $1" "$2" "$3" "NR+offset)}'

rm *.txt