How to change jpg time stamp using exiv2
On 10/09/2010 07:02 PM, Ken Heard wrote:
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According to the exiv2 man page the command to change a jpg time stamp
is as follows:
exiv2 -a<time> adjust<file>
<Time> is the difference between the time to be adjusted and the new
time in the format [-]HH[:MM[:SS]]. For example: 1 adds one hour, 1:01
adds one hour and one minute, -0:00:30 subtracts 30 seconds.
So, I have a time stamp of 2010-04-16 Fri 07:11, where I want to change
the time to 19:11. So I run
exiv2 -a 12 adjust img_1234.jpg
and get the following in return:
Warning: Makernote IFD has a next pointer != 0 (128). Ignored.
So the man page is obviously wrong. I would appreciate it if someone
could tell me the proper format for this command.
Regards, Ken Heard
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I newer used exiv2, tried for first time with your command "exiv2 -a 12
adjust" on my_photo.TIF and everything was ok.
"exiv2 -u my_photo.TIF" give a difference before and after "exiv2 -a 12
adjust" in image timestamp.
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