Windows 10: Copying files from source to destination using 'Date created' only

Hi there,

I have an issue where I'm trying to copy a lifetime of photos from one hard drive to another. The destination drive has duplicate photos that are from the source (from a previous time I did a back-up).

The issue is that at some point Dropbox had a sync problem and renamed files on the source drive, so essentially there are thousands of duplicate files that I would like to avoid copying but they can't be tracked based on 'file name'. I'm looking for a solution to copy based on 'date modified' ONLY as to avoid copying over the doubles that now have unique files names because of the Dropbox sync issue.

Is there a possible solution using Robocopy, terminal or some program that will copy based on 'date modified' while ignoring file names?

Hoping I'm phrased that clearly enough.

Any thoughts would be helpful. Thanks in advance.

submitted by /u/bensonNF
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:)

 

Easily copy files without changing file dates

I know that if you copy an object to another drive (say, C:\ to D:\), the created and modified dates remain identical to object on the source drive.

Although the access date of the object on the destination drive does change.

 

help with simple batch file

xcopy is DOS.
its xcopy commands...

/c = Continues copying even if errors occur.
/d = Copies files changed on or after the specified date. If no date is given, copies only those files whose source time is newer than the destination time.
/f = Displays full source and destination file names while copying.
/k = Copies attributes. Normal Xcopy will reset read-only attributes.
/s = Copies directories and subdirectories except empty ones.
/y = Suppresses prompting to confirm you want to overwrite an existing destination file.


its easy and simple. i use it all the time to back up all the stuff on my hard drive to my external.

 

Folder copy, source/destination contents do not match in Explorer

hello!

for some reason, after doing some successful folder copies (ie no errors) from my external USB drive to my RAID 1 NAS, the contents of some source folders and their respective destination folders do not match in windows explorer, ie file/folder count and size are different. other folder copies do not appear to have this issue, only a select few.

the USB drive is FAT32, the NAS is EXT3, though windows explorer sees it as NTFS.

for example, here's what i'm seeing in windows explorer when i right-click/properties on a source and destination folder..

- source folder
folders = 575
files = 75
size = 28.5 GB (this is not size on disk)

- destination folder
folders = 583
files = 80
size = 31.6 GB

if i hover the mouse pointer over the source folder, the tooltop shows 33.8 GB, which more closely matches the destination folder properties (tooltip for the destination folder also shows 33.8 GB).

if i look at the folder properties for the source folder under linux (parted magic live disc), the numbers are closer to what the destination shows in windows explorer, size is a couple GB higher under linux vs windows- not sure if linux serves as a good test.

my question, is what i'm seeing for the source folder properties in windows explorer a "misread", or is it possible that there was an issue with the copy process that i'm not seeing? the USB drive contains important data and i want to make sure i have an exact copy on the NAS before i wipe the USB drive to reuse it.

i've done the folder copy using a few other file managers (explorer++, xyplorer) but i get the same results.

thanks for your time!