Are you looking for UNASSIGNED()? Colin Alfke Calgary, AB
>-----Original Message----- >From: Jeffrey Butera > >On unidata I'm looking for a way to test if a variable has >been defined or not. I'm aware of $DEFINE, $IFDEF, $IFNDEF >and $UNDEFINE but they're not what I need. I have a >subroutine and would like to check to see if one argument on >entry is defined or not. > >-- >Jeff Butera, Ph.D. ------- u2-users mailing list [email protected] To unsubscribe please visit http://listserver.u2ug.org/
