Appcmd.exe and WinRS

How can I call upon Appcmd.exe using WinRS and grab a list of sites?
Command >> WinRS.exe -Remote:WebServerName %SYSTEMROOT%\SYSTEM32\INETSRV\AppCmd.exe LIST SITE
How can I USE WMIC and gather the site path for iis on my windows 2008 core configuration?
WMIC.exe /Output:Sites.txt /Node:WebServerName /Namespace:\\root\WebAdministration Path Site Get