Powershell script to check if tifs in folder are multipage

multipage.ps1

$Folder = Read-Host -Prompt 'Input folder to check for Tifs: '

[System.Reflection.Assembly]::LoadWithPartialName("System.Drawing") | Out-Null
Get-ChildItem $Folder -Filter *.tif | 
Foreach-Object {

	$a = [System.Drawing.Bitmap]::FromFile( $_.FullName )

	if ($a.GetFrameCount( [System.Drawing.Imaging.FrameDimension]::Page ) -gt 1 )
	{ "`"" + $_.FullName + "`" Tiff is multi pages" }
	else
	{ "`"" + $_.FullName + "`" Tiff is single page" }
}