A helper tool to find duplicate files in a folder

files-in-folder.ps1

$FirstStageFile = "O:\hashes3.csv"
$SecondStageFile = "O:\hashes3-s.csv"

$Directory = "C:\Users\eliezer\Documents\"

Get-ChildItem -Path $Directory -Recurse -File -Force | ForEach {
    [PSCustomObject]@{
		FullPath = $_.FullName 
        Name = $_.Name
        Size = $_.Length
		CreationTime = $_.CreationTime
		LastWriteTime = $_.LastWriteTime
		Hash = Get-FileHash $_ | Select hash
    }
} | Export-Csv -Path $FirstStageFile -NoTypeInformation