powershell.exe -Command "& { (‘time={0},user={1}‘ -f (get-date),(whoami)) | Out-File "d:\user.log" -Append }"
给.exe文件添加参数，参数是 array 格式
$argus = "$env:windir\", ‘c:\jpegs\‘,‘*.jpg‘, ‘/R:0‘, ‘/S‘, ‘/XD‘, ‘*winsxs*‘
Robocopy.exe $argus
原文：http://www.cnblogs.com/dreamer-fish/p/3941487.html