SharePoint Migration - Analyse arborescence

Get-ChildItem -Path E:\PathToScan\ -Recurse |`
foreach{
$Item = $_
$Type = $_.Extension
$Path = $_.FullName
$Folder = $_.PSIsContainer
$Size = $_.Length

$Path | Select-Object `
    @{n="Name";e={$Item}},`
    @{n="Size";e={$Size}},`
    @{n="filePath";e={$Path}},`
    @{n="Extension";e={if($Folder){"Folder"}else{$Type}}}`
}| Export-Csv E:\ResultFile.csv -NoTypeInformation -Encoding UTF8