$Path2Script = "C:\MonScript.ps1"

$cert=(dir cert:\currentuser\my\ -CodeSigningCert)

$LastChange = ""

do{
	$MonFile = Get-Item -Path $Path2Script
	if($MonFile.LastWriteTime -ne $LastChange  ){
		#Write-Host "Change ! : $LastChange vs $($MonFile.LastWriteTime)"
		Set-AuthenticodeSignature -FilePath $Path2Script -Certificate $cert -TimestampServer http://timestamp.sectigo.com
		$MonFile = Get-Item -Path $Path2Script
		$LastChange = $MonFile.LastWriteTime    
	}
	Start-Sleep 1

} while (1 -ne 2)