REM Elevate credentials, code courtesy of Matthew Newton
REM http://blog.mnewton.com/articles/Windows-Installer-Batch-Script-Revisited.html
REM Check for permissions
>nul 2>&1 "%SYSTEMROOT%\system32\cacls.exe" "%SYSTEMROOT%\system32\config\system"

REM If error flag set, we do not have admin.
if '%errorlevel%' NEQ '0' (
  echo Requesting administrative privileges...
  goto UACPrompt
) else ( goto gotAdmin )


:UACPrompt
  echo Set UAC = CreateObject^("Shell.Application"^) > "%temp%\getadmin.vbs"
  echo UAC.ShellExecute "%~s0", "", "", "runas", 1  >> "%temp%\getadmin.vbs"

  "%temp%\getadmin.vbs"
  REM we are done, exiting recursive call
  exit /B

:gotAdmin
  if exist "%temp%\getadmin.vbs" ( del "%temp%\getadmin.vbs" )
  echo We have admin privileges, proceeding...

REM vim: set ai ts=4 sw=4 et ft=dosbatch: