On Mon, Nov 14, 2016 at 5:38 PM, Štěpán Roučka <stepan.rou...@gmail.com> wrote:
> I usually use exiftool for this purpose. To shift all files with PEF
> extension by +2 hours:
>
> exiftool -DateTimeOriginal+='2:00:00' -ext pef photo_directory
>
> Note: this will modify your raw files.
You do understand that it very well will likely to completely destroy
them, right?
We have already seen such cases. Don't do that.

I hope you keep backups of the original unmodified raws.
Because when they suddenly stop working, we will tell you to use backups.

> Stepan
Roman.

> po 14. 11. 2016 v 13:33 odesílatel Roman Lebedev <lebedev...@gmail.com>
> napsal:
>>
>> On Mon, Nov 14, 2016 at 12:48 AM, GDoirat - GMail
>> <gaylord.doi...@gmail.com> wrote:
>> > Hello Everybody,
>> >
>> > I went on holiday abroad to see some of my family.
>> > We took pictures each other. Me with my Pentax and my cousin with his
>> > canon.
>> > There was 2 hours of jet lag.
>> > Unfortunatly, I forgot to adjust my camera time to local time.
>> > Once we collate our picture in darktable, the pictures don't follow as
>> > we
>> > have two hours of difference between the two camera.
>> > Is there a way to adjust this in darktable?
>> > If not, outside darktable (command line?)?
>> >
>> > I have already done that for JPG in digikam but the
>>
>> >digikam tools doesn't seem to work on raw for that.
>> Oh good! That is awesome! :)
>> Did they really finally received some common sense that it
>> is a destructive operation and MUST never be done?! :)
>>
>> > Thanks a lot for your answer and your help.
>> https://www.darktable.org/usermanual/ch02s03s09.html.php
>>
>> > G DOIRAT
>> > --
>> Roman.
>>
>> > ________________________________________
>> > La vie est plus belle quand on est libre !
>> > @@@@@@ LINUX @@@@@@
>> >
>> > Libérez vos oreilles : www.jamendo.fr
>> > Compte SIP : gayl...@sip.linphone.org (audio, visio, chat)
>> >
>> >
>> > ____________________________________________________________________________
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