[SATLUG] Changing Creation Time of Multiple Photos

Samuel Leon satlug at net153.net
Wed Jul 8 23:12:23 CDT 2009


Gino Mancillas wrote:
> I have two sets of photos taken on a field trip.  Sadly, however, while my
> camera had the correct date and time the teacher's camera reset to January
> 1, 2005 when he replaced the batteries.
> 
> Remarkably, though, I found two pictures from the different cameras that
> were taken at seemingly the same time.  The creation time of one picture's
> EXIF data reads *April 26, 2009 08:52:56* but the other picture's EXIF data
> reads *January 1, 2005 14:16:26*.  According to
> Wolfram|Alpha<http://www19.wolframalpha.com/input/?i=April+26%2C+2009+08%3A52%3A56+-+January+1%2C+2005+14%3A16%3A26&a=TimeAMOrPM_am>the
> time difference is
> *4 years  3 months  24 days  18 hours  36 minutes  30 seconds*.
> 
> Is there a way to change EXIF data of multiple files and their modification
> dates by *4 years  3 months  24 days  18 hours  36 minutes  30 seconds*?  I
> know the "touch" command can change the modification dates, but not the EXIF
> data.  I'm also not sure how to use the "touch" command to adjust multiple
> files.
> 
> Thanks in advance,
> -Gino


I don't know if it is up your boat but you can pretty much do anything 
with perl and the cpan libraries: 
http://search.cpan.org/search?query=exif&mode=all

Sam


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