Solved: add at the end of the log the number of files treat, remaining and errors

Hello,

How can I add at the end of the log the number of files treat, remaining and errors, please ?

ForEach-Object {
		$Directory = $_.Group
		$PrefixList | ForEach-Object {
			$Prefix = $_
			$Directory | Where-Object {$_.Name -like $Prefix} | Sort-Object -Property Name | Select-Object -First 1 | ForEach-Object {
				$NewName = $_.BaseName.SubString(1) -replace '_\d{8}_\d{6}\Z'
				Try {
					Rename-Item -Path $_.FullName -NewName $NewName -ErrorAction Stop -WhatIf
					$Result = 'OK'
				} Catch {
					$Result = $_.Exception.Message
				}
				$_ | Select-Object 'DirectoryName', 'Name', @{n='NewName'; e={$NewName}}, @{n='Result'; e={$Result}}
			}
		}
	} | Format-Table -AutoSize | Out-String -Width 1024 | Out-File E:\log.txt -Encoding Default -ErrorVariable ERR1 -Append

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Thanks

Regards