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Ron Hunter
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 Posted: Tue Dec 12, 2006 12:41 pm Post subject: changing file date to EXIF date. |
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Does anyone know of software that will do this, preferable in batch
mode, and free? Seems like such an obvious thing, so why don't all
photo importing programs offer to do this? |
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Mike Russell
Guest
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| Posted: Tue Dec 12, 2006 12:41 pm Post subject: Re: changing file date to EXIF date. |
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"Ron Hunter" <rphunter@charter.net> wrote in message
news:Q5WdndB8t82NDOPYnZ2dnUVZ_v_inZ2d@giganews.com...
| Quote: | Does anyone know of software that will do this, preferable in batch mode,
and free? Seems like such an obvious thing, so why don't all photo
importing programs offer to do this?
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Exifer for Windows will do this, and its free:
http://www.exifer.friedemann.info/
As for why all programs don't offer this option, the only answer I have is
that what seems obvious now may not have been so obvious in the early days
of designing the software.
--
Mike Russell
www.curvemeister.com/forum/ |
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Eugene
Guest
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| Posted: Thu Dec 14, 2006 12:09 am Post subject: Re: changing file date to EXIF date. |
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Ken Lucke wrote:
| Quote: |
For backup software/scripts that looks at those dates.
A _competent_ backup software looks at backup bits "set" or "not set",
or its backup catalog (or both). A competent backup program does not
*ever* rely on dates, as it knows that often files get moved into
places that they didn't exist previously, even if the file itself did,
so therefore the dates may not correspond in any meaningful way.
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Most backup software will let you select files based on attributes such as
dates as well. I use the file date in a simple script to copy files to a
USB drive
| Quote: | If a today someone gives me a copy of a file dated three days ago, or I
change the date on one of my files (which should automatically "set"
the backup bit), or copy a file to my hard drive that existed only on
my laptop, no decent backup program would miss that, even though the
file existed previously to my latest backup. Or if I actually restored
a previously backed up version of a file that had changed and had
subsequently been backed up again since that change. Or... or... or...
All of these would be recognized as whether or not they need to be (or
had been) backed up by a competent backup program, totally independent
of file dates. Even if I backed up 10 minutes ago.
Also sometimes
copying/moving the files will set those dates as well so your going to
have to constantly check/reset those dates,
A competent OS allows you to copy files (including date and time of
creation and modification). As in "duplicates exactly". It _doesn't_
create a new file and move the internal data into it while leaving
other critical bits of the data (such as creation and modification
times) behind. Mac OS does this automatically. *nix does it with the
-p flag for CP (which also should reset the "last access" flag). The
new file is an exact duplicate of the old one, with the backup bit
cleared.
then if you copy the files to a
backup drive you have to reset them again.
Again, a competent OS wouldn't make YOU worry about this. A *copy* is
a *copy* - an exact clone, down to the very last piece of data with the
possible exception of the backup bits or permissions (if someone else
than the original owner is copying it in the latter case) and last
access time (which may get set to the creation time on some OS's or
with some utilities).
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Try using windows XP . I tried to copy files from old cds to my work laptop
and burn them to a dvd. Well even though I would tell it to copy the file
attributes it would reset the directory dates to current, then if I copied
from another cd and the same directory existed it would copy the different
files and reset the rest. xcopy and robocopy.
| Quote: | Wouldn't it be less work to
just view the column which corresponds to the exif date in your file
manager?
Why should he have to open his file manager? How about if he wants the
OS to sort them in a file directory according to their date? Which OS
has a complete set of EXIF data columns?
There are many reasons why someone might want files with creation times
matching internal data. Not all programs have access to the EXIF data,
either. If the file date has been corrupted somehow, or, for instance,
he's opened it in Photoshop and saved it as a different file (a
frequent occurrance), it will have a different date and possibly be out
of sequence with the rest of the shots of a series. Perhaps the
program he might want to use for something (say, a slideshow program)
will only access the files in the order they are listed in the file
dialog, according to how the OS sorts them.
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Windoze explorer will let you view the date taken, as well a Konqueror and
natulis under KDE and Gnome.
| Quote: |
If it's objectionable to you, by all means don't do it with your own
files, but don't come up with non-valid, scare-tactic arguments ("It'll
corrupt the file system", "Backup program won't work properly", etc.)
as to why it _shouldn't_ be done by someone else who has reason to do
it and the wherewithal to want to find out how.
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