#!/bin/bash
DIR=.

if [ $# = 1 ]; then
  echo "got custom dir"
  DIR=$1
fi

DATESTRING=$(date +%Y_%m_%d)
DIRNUM=1
CHECK_INTERVAL=1.0
SETSIZE=5
cd $DIR
CURDIR=pwd
echo "watching $CURDIR"
echo "hit ctl-c to end"



while true 
do
  sleep $CHECK_INTERVAL
  FILECOUNT=$(ls -1 | wc -l)
  let "FILEMOD=$FILECOUNT % $SETSIZE"
  if [ "$FILEMOD" -eq 0 ]; then

      if [ ! -d ../$DATESTRING ];then
	  mkdir ../$DATESTRING
      fi

      while [ $(ls -1 | wc -l) -ge $SETSIZE ]
      do
	DIREXISTS=true
	while $DIREXISTS
	  do
	  if [ -d ../$DATESTRING/$DIRNUM ]; then
	      ((DIRNUM++))
	  else
	      DIREXISTS=false
	  fi
	done
	mkdir ../$DATESTRING/$DIRNUM
	echo $(ls -1 | wc -l)
	echo $DIRNUM
	IMGNUM=0;
	for img in *
	do
	  if [ $IMGNUM -lt $SETSIZE ];then
	      mv $img ../$DATESTRING/$DIRNUM
	      echo "moved $img to ../$DATESTRING/$DIRNUM (ctl-c to end)"
	      ((IMGNUM++));
	  fi
	done
	((DIRNUM++));
		      
      done
  fi

done