-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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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Version: GnuPG v2.0.9 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iEYEARECAAYFAkywoBoACgkQlNlJzOkJmTdyGwCeNqlP5RzEgS FVuyA3ZvFDHnW3
W4kAn1TNs5r6cry2Gh110wbXvkbyy76P
=gDts
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On 10/09/2010 07:02 PM, Ken Heard wrote:

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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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Version: GnuPG v2.0.9 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iEYEARECAAYFAkywoBoACgkQlNlJzOkJmTdyGwCeNqlP5RzEgS FVuyA3ZvFDHnW3
W4kAn1TNs5r6cry2Gh110wbXvkbyy76P
=gDts
-----END PGP SIGNATURE-----



Hi,
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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Bye,
Goran Dobosevic
Hrvatski: www.dobosevic.com
English: www.dobosevic.com/en/
Registered Linux User #503414


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On Sat, 09 Oct 2010 13:02:20 -0400, Ken Heard wrote:

> 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.

It works fine here (tested with a random jpeg image from the web).

Try with another image source.

Greetings,

--
Camaleón


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Ken Heard wrote:

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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


With Sid and
ii exiv2 0.20-2
I do:
hugo@debian:~$ exiv2 -a 12 adjust logo.tif
and I get no error msg at all.

Hugo





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