There are a lot of variables to take into account.
Does an object being off by one pixel count as a duplicate slide, if
everything else is the same?
It gets into a level of duplicity thing. If just the text is the same does
that qualify? Or how about the picture brightness being off a little?
That's the easy stuff.
What about an object name being different? Same object, same place, same
appearance, but different name.
Slide ID numbers will be off, and so will Slide Index and Numbers, so those
can be overlooked. Blank slides would all be the same, of course, but would
you want them all removed? What about slides that look the same, but have
an animation attached to one object? The program would have to take object
by object and find out if an exact duplicate object appeared on the
comparison slide. It is finds all the objects, and no left overs, then it
can pronounce the slide a duplicate.
I suppose you could write one, but it wouldn't be a fun task. You could ask
what level of duplicity you want to scan for, then present the user with the
slides, side by side, and give the user the option to remove one.
How badly do you want this feature? You may want to let MS know.
http://register.microsoft.com/mswish/suggestion.asp
I'm with Echo on this one, I'd recommend manually comparing the slides and
deleting duplicates by hand.
--
Bill Dilworth, Microsoft PPT MVP
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