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currently I need to use powershell and Robocopy to copy from a source directory to target directory. It is a library files consists a lots of .dll.

I will need to overwrite the .dll that exist in target directory. However, some of the .dll in target directory are newer version. Therefore, before overwriting, i will need to prompt a warning to tell users about that. So that they are aware of that. How can i check and compare the version/properties of the .dlls before doing the robocopy?

I have checked that there is no such switch for robocopy.

Any solution for this ? Thank you

MyNameIsDoe_JaneDoe
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  • See if you can [check the DLL version](https://stackoverflow.com/a/66005) first. If this works, just tell Robocopy to ignore said file. – vonPryz Sep 14 '17 at 04:57
  • Thanks for the respond, currently i am passing all the child items for both directories as an array. Do you know what is the fastest way to compare in this way? thanks again – MyNameIsDoe_JaneDoe Sep 14 '17 at 09:52

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