[Shotwell] How to remove metadata from photo files?

[Lucas Beeler]

Take a look at the command-line utility that comes with the exiv2
metadata processing library (http://www.exiv2.org/). It's what we use
internally at Yorba for almost all of our photo metadata manipulation
needs.

Cheers,
Lucas

On Mon, Oct 17, 2011 at 8:07 AM, Thomas Jost <schnouki at schnouki.net> wrote:
> On Mon, 17 Oct 2011 14:00:37 +0100, Dougie Nisbet <dougie at highmoor.co.uk> wrote:
>> (reading your post to the end :) )- If it's just a case of being tidy,
>> you could look at jhead and exiftool. The --purejpg option for jhead
>> should in theory do it, but I've had more success with exiftool. I used
>> to use:
>>
>> |exiftool -all= *
>>
>> |when I was using f-spot and it didn't like certain camera headers
>>
>> http://www.bluecedar.org.uk/?p=76
>>
>> Dougie
>
> Hmm, "jhead --purejpg" removes too much data (I still want to keep
> date, exposure, etc.), and so does "exiftool -all=". But exiftool is a
> really nice tool :)
>
> Here is what I ended doing:
>
>  exiftool -Subject= -Keywords= -Title= -Caption-Abstract= -Headline= **/*.[Jj][Pp][Gg]
>
> (** is "recursive *" in zsh).
>
> This cleaned every instance of the tags and titles in my photos, and led
> me to discover a bug in Shotwell (http://redmine.yorba.org/issues/4264).
> Hehe, I had to do some SQL by hand to restore missing titles from the
> database :)
>
> Thank you all for your help!
>
> Regards,
>
> --
> Thomas/Schnouki
>
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