PowerShell: File management script

gistfile1.txt

<--! 
Usecase: List duplicate files in directory.
-->

Get-ChildItem -Recurse |
Group-Object Length |
Where-Object { $_.Count -gt 1 } |
Select-Object -ExpandProperty Group |
ForEach-Object { Get-FileHash -LiteralPath $_.FullName } |
Group-Object -Property Hash |
Where-Object { $_.Count -gt 1} |
Select-Object -ExpandProperty Group |
Select-Object Hash, Path
Out-File folder\nestedFolder\textFile.txt -Width 510