XSL Transform using PowerShell

$xml = 'C:/article.xml'
$xsl = 'C:/article.xsl'
$output = 'C:/article_new.xml'

if (-not $xml -or -not $xsl -or -not $output)
{
    Write-Host "& .xslt.ps1 [-xml] xml-input [-xsl] xsl-input [-output] transform-output"
    exit;
}

trap [Exception]
{
    Write-Host $_.Exception;
}

$xslt = New-Object System.Xml.Xsl.XslCompiledTransform;
$xslt.Load($xsl);
$xslt.Transform($xml, $output);

Write-Host "generated" $output