7zip compress files (all or with specific extension) in folder and subfolder and delete original file

Customize to your needs:

	#All file types
	Get-ChildItem C:\temp\ -Recurse -File | ForEach-Object { & "C:\Program Files\7-Zip\7z.exe" a -sdel ($_.DirectoryName+"\"+$_.Name+".7z") ($_.DirectoryName+"\"+$_.Name)}
	#Only .bak files
	Get-ChildItem C:\temp\*.bak -Recurse -File | ForEach-Object { & "C:\Program Files\7-Zip\7z.exe" a -sdel ($_.DirectoryName+"\"+$_.Name+".7z") ($_.DirectoryName+"\"+$_.Name)}

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