remove duplicate files not in folder in powershell

Question

I want to write a script that will delete duplicate files and keep one copy where any of that file's parent directory is called "Final"

in other words, do not delete if none of the same files(files with the same hash)' parent dir is called "Final"

UPDATE

this is what I have so for, not sure how to go from here

ls *.* -recurse | get-filehash | group -property hash | where { $_.count -gt 1 } | % { $_.group } | select {$_.Path}

I need to filter out $_.Path that contain the directory "Final" tried where { $_.Directory -contains "Final"} but didn't work

Mark Harwood · Accepted Answer · 2019-12-10 10:31:58Z

1

Looks like you've just copied the most upvoted response to this question without thinking or trying to solve the issue.

So far you are just looping through all the files and deleting anything that has the same hash twice.

You would need to add another check for the full path containing "Final". Let me know what you think of the below code. I haven't fully tested it yet, however...

Get-ChildItem -Path c:\Path\Here |
    Where-Object { $_.FullName -NotLike "*Final"} |
    Get-FileHash |
    Group-Object -Property Hash |
    Where-Object { $_.Count -gt 1} |
    Foreach-Object { $_.Group | Select-Object -Skip 1 } |
    Remove-Item

edited Dec 10, 2019 at 10:31

answered Dec 10, 2019 at 9:33

Mark Harwood

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5 Comments

bana201 Over a year ago

copy and pasted the wrong line, please see my update

Mark Harwood Over a year ago

@bana201 -Contains is for collections and not for strings :)

bana201 Over a year ago

so the method you're using deals with objects? where vs where-object?

Mark Harwood Over a year ago

I have a phobia of shorthand code :-) They do the same thing. Just like ls and Get-ChildItem

bana201 Over a year ago

I think you're method only detects duplicates in a folder named "Final". what i'm looking for is to keep the file in a folder name "Final" and delete duplicates elsewhere. so instead of Skip 1, Keep the the file in "Final"

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