$a=0
$b=1
$c="0"
$d="1"
$e=""
$f="foo"
"a is "+IIF($a,"true","false")+@CRLF
"b is "+IIF($b,"true","false")+@CRLF
"c is "+IIF($c,"true","false")+@CRLF
"d is "+IIF($d,"true","false")+@CRLF
"e is "+IIF($e,"true","false")+@CRLF
"f is "+IIF($f,"true","false")+@CRLF