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[Help!] Compare Files on Two Drives for Differences   [Help!]

By: Laurent Duchastel     Montréal, Québec  
Date: Mar 10,2017 at 15:38
In Response to: [Help!] Compare Files on Two Drives for Differences (John Baum)

> I hit Return thinking I was inside the message box; it is getting
> late and I'm not seeing so well.
>
> I don't understand the logic of your suggestion.
>
> Perhaps this restatement of my goal will make it clearer.
>
> 1) I believe I have a valid copy of my data files here (F:\Recovery)
>
> 2) I want to see if there are any uniquely different files (name, same
> name different date, size, etc) here (D:\)
>
> I think I need different compare settings than those you suggested,
> don't I?
>

Alt-Compare can be used in two ways: 1) compare filenames and dates only, b) compare files at binary level.

You can very easily identify unique files, that is having unique filename only. It shouldn't take more than few seconds. Once identified and tagged, you can after copy them wherever you want.

In that case, forget binary compare.


[image]


In my humble opinion however, because you had problems with your hard drive, there is a chance that files with same filename might be corrupted. In that case, binary comparison is much safer but much longer has well. Of course, this is just my 2¢ on this.

When a whole disk is being compared, my advice would be to make binary compare in background or at night. Another way to do this would be one subdir after another. This allows to skip subdir that aren't worthy.


Try different combo of options to suit your need.


Laurent Duchastel

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