photoClassAndRenByDate.sh - Cassify and rename files based on date exiv tag in JPEG file

 NAME: photoClassAndRenByDate.sh - Cassify and rename files based on date exiv tag in JPEG file

 SYNOSPSYS: photoClassAndRenByDate.sh {<-d|--outdir|-outdir> outdir} files...


 DESCRIPTION:
  When you have 2 cameras each having its own naming scheme, you can merge the photo files
  only using the date and time of the shoot.
  This suppose that cameras are time synchronized.
  This utility copy files and rename them depending on the date, time and a random number (to avoid 
  conflict for photo taken at the same second for camaera having a motoror such ability).
  Copy is done to a directory whose name is the day of the photo. This directory is created 
  if needed.

 PRE-REQUISITES:
 - exiv2 must be present (see http://www.exiv2.org)
 - EXIV2PATH must be initialized with the path to the command "exiv2"
 - cameras must be time synchronized

 AUTEUR :
     CHAUVIERE Jean-Raymond

 DATE:  August,24 2011


 NOTES: