Renaming files

[David Aldred-2]

This may involve scripting outside Digikam....

I used at one time to use Digikam's renaming facility on downloading pictures.  
At some point (looking at the dates I think it was on a change of computers)
I lost this setting, and never re-set it as date-based folders and the
information in the main digikam window are quite enough.

I now want to export hundreds of images to CD, to be provided to the football
team for which I am no longer going to be taking pictures, my daughter having
reached University age and so no longer regularly playing for them.   I would
like to have the filenames reflect the dates at least.

Batch -> Rename Images looks good, but insists on adding a sequence number:
this might be the only practical way, and is fine for this specific purpose.  

However, I'd prefer to go back to fully date/time based file numbering (such
as  2008-01-31-15:00:03.jpg) for all my pictures.   Is there any way of
achieving this within Digikam?   Batch Rename doesn't seem to allow me to
omit a sequence number!    (I guess I could try a manual rename afterwards
outside digikam to remove all the sequence numbers, but....)

 (In the very unusual case in which I've more than one from the same second,
I'll handle it manually).

--
David Aldred
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[tgdksub]

Hi David,

On Sat, 17 May 2008, David Aldred wrote:
> However, I'd prefer to go back to fully date/time based file numbering
> (such as  2008-01-31-15:00:03.jpg) for all my pictures.   Is there any way
> of achieving this within Digikam?   Batch Rename doesn't seem to allow me
> to omit a sequence number!    

It appears you can do this when downloading photos using Digikam[1], but I
don't think the batch rename tool allows you to omit the sequence number.  
I've been using an external tool to rename my photos - I recommend the
excellent "jhead" program for this purpose.  (Info at
http://www.sentex.net/~mwandel/jhead/  )

Invoked with the following command, it will rename your photos to
YYYYMMDD-HHMMSS, eg 20080513-015023.jpg.  (There are many other options -
check out the man page for details on how to rename to the example you gave
above.)

        jhead -n"%Y%m%d-%H%M%S"  *

>  (In the very unusual case in which I've more than one from the same
> second, I'll handle it manually.)

By default, if a target name already exists, jhead will append a letter to
distinguish them.  (eg 20080516-054050.jpg, 20080516-054050a.jpg)

jhead can do all sorts of other stuff at the same time, including
automatically rotate photos to the correct orientation.  

Back to Digikam - there appears to be a relevant entry in the KDE bugs
database regarding the "batch rename" tool.  You may wish to add your votes
or comments here:  http://bugs.kde.org/show_bug.cgi?id=155677

Hope this helps.

cheers,
Tauri

[1]  Note that if renaming with Digikam when downloading, Digikam appears to
adjust date/time stamps for your time zone (my camera is set to UTC but
digikam renames to local time.)  This may be A Good Thing or not, depending
on your needs.
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On Saturday 17 May 2008, Tauri wrote:

> Hi David,
>
> On Sat, 17 May 2008, David Aldred wrote:
> > However, I'd prefer to go back to fully date/time based file numbering
> > (such as  2008-01-31-15:00:03.jpg) for all my pictures.   Is there any
> > way of achieving this within Digikam?   Batch Rename doesn't seem to
> > allow me to omit a sequence number!
>
> It appears you can do this when downloading photos using Digikam[1], but I
> don't think the batch rename tool allows you to omit the sequence number.
> I've been using an external tool to rename my photos - I recommend the
> excellent "jhead" program for this purpose.  (Info at
> http://www.sentex.net/~mwandel/jhead/  )

Thanks - that looks ideal!

> Back to Digikam - there appears to be a relevant entry in the KDE bugs
> database regarding the "batch rename" tool.  You may wish to add your votes
> or comments here:  http://bugs.kde.org/show_bug.cgi?id=155677

Duly done!  

--
David Aldred
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