Script to regularly export (new) matching images?

[Simon Cropper]

On 24/12/16 19:01, Gilles Caulier wrote:
>
>
> 2016-12-24 0:04 GMT+01:00 Jens Benecke <jens-digikam at spamfreemail.de 
> <mailto:jens-digikam at spamfreemail.de>>:
>
>     Hello,
>
>     I collect all our family photos in Digikam (two cameras, three
>     mobile phones, two tablets, and occasional screenshots or images
>     mailed to us).
>     I then geotag, tag and rate them. One of the tags is „for friends“
>     of which I would like matching images to (automatically) be copied
>     onto a SMB share on our NAS when images are added. I do not want
>     to create copies within the Digikam hierarchy and I do not want to
>     do this manually (unless it is done with a single mouse click).
>
>     I imagine a command line image selection / export tool bundled
>     with Digikam could do the trick which would output paths of
>     matching images selected by criteria (tags would be sufficient).
>     This can then be used in scripts. For example,
>
>             digikam-select -c „Default“ -t „for friends“
>
>     would output a list of files in collection „Default“ with tag „For
>     friends“ with (relative) paths. E.g.
>
>             2016/July/IMG0192.JPG
>             2016/September/DCIM0992.JPG
>             ...
>
>     This could then be used to keep an external archive of (possibly
>     reduced) JPG files automatically like I described above. For example,
>
>             #!/bin/bash
>             digikam-select -c „Default“ -t „for friends“ | while read
>     FILE ; do
>                     test -f /media/my-SMB-share/Digikam-export/„$FILE“
>     && continue
>                     # … create directory if it doesn’t exist …
>                     convert -quality 80 „$FILE“
>     /media/my-SMB-share/Digikam-export/„$FILE“
>             done
>
>     Does something like this exist already or is planned?
>
>
> From digiKam developer : no.
>
>     If not, would you accept such a tool in Digikam? I could at least
>     write a companion script (in Ruby or Perl) with similar functionality.
>
>
> Sure. There is a directory in application to host 3rdparty scripts, 
> but we don't maintain code.
>
> https://cgit.kde.org/digikam.git/tree/data/scripts
>
> The problematic of this solution is the difficulty to have scripts 
> updated in time. A git access must used or a request to developers 
> need to be sent.
>
> Perhaps it's time to use a github repository to host all scripts which 
> will be more easy to maintain in time for end-users ?
>
> Best
>
> Gilles Caulier

The simplest way of doing this is to use a script. Collections are just 
directories and tags can be extracted easily using exiv2 
(http://www.exiv2.org/) or exiftools 
(http://www.sno.phy.queensu.ca/~phil/exiftool/).



-- 
Cheers Simon

Simon Christopher Cropper
Mobile: 0431 821 566
Email: contact at simonchristophercropper.com 
<mailto:contact at simonchristophercropper.com>
Online CV: http://www.simonchristophercropper.com/
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