; Usage: if ($isadmin) { blah }
IsAdmin { var %file = $+($regsubex($envvar(SystemDrive),/\\?$/,\),TestIsAdmin_,$ticks,$r(1,99999999999999),.$$$) | .fopen -no admintest $qt(%file) | .fclose admintest | var %rslt = $exists(%file) | if (%rslt) .remove $qt(%file) | if (!$isid) echo -a * IsAdmin: %rslt | return %rslt } ; by Raccoon 2017-Feb