最佳答案
$tool = 'C:\Program Files\gs\gs9.07\bin\gswin64c.exe'
& $tool -q -dNOPAUSE -sDEVICE=tiffg4 $param -r300 $pdf.FullName -c quit
Can someone explain to me how the this works? What exactly does the & symbol do/mean in powershell?