I was responding to someone who made the complaint that they couldn't
delete the same image with different names. Just going through all the
reasons it would be difficult or impossible. (I kind of thought your
point was implied).
Mark Roberts wrote:
> P. J. Alling wrote:
>
>
>> It would be possible to check for byte by byte comparisons, by using
>> "FC" a "dos" utility available on all windows systems to delete
>> duplicate files no matter what their name, I'm sure that linux/unix has
>> such a utility but I can't remember it's name right now. There are
>> several problems to overcome, none of which will solve the most
>> important one. There must be a way for the computer to recognize a
>> duplicate image, not a duplicate file.
>>
>
> If one is in JPEG format and the other is in a straight bitmapped
> format like TIFF/RAW/DNG they won't be the same image, technically.
> They certainly won't be the same byte-for-byte. Not even close.
>
>
>
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