On Wed, 24 Apr 2002, Bill Duncan wrote:
> if ( "10.1.2.0/24" is ${mask:$sender_host_address/24} or
> The documentation shows how to use the ${mask:...} with a constant. But it's
> rather useless using it with a constant because you can mask it off and form
> the string by hand. (It's a constant, so you know what it is.)
What you have written above looks right.
> I'm at a loss as to how to get this working with a variable. I also need to
> test for the condition that $sender_host_address is a valid non-empty string.
${if !eq {$sender_host_address}{}
tests for not being an empty string. Or, in a filter
if "$sender_host_address" is not ""
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
