You can just watch the value of variable f. A valid filter expression stored in variable f will not produce error.
What are you trying to do when you said "...would prefer just one statement.... in the heat of debugging"? On Wed, May 15, 2019 at 6:46 AM Gene Wirchenko <[email protected]> wrote: > I do know that I can do > f=filter()+" and empty(wfccccd)" > set filter to &f > but in the heat of debugging, I would prefer just one statement. > > Is there a way to extend a filter in one statement without > retyping the current filter expression? -- .~. Might, Courage, Vision. SINCERITY! / v \ 64-bit Fedora 25 Server Spin /( _ )\ http://sites.google.com/site/changmw ^ ^ May the Force and farces be with you! _______________________________________________ Post Messages to: [email protected] Subscription Maintenance: http://mail.leafe.com/mailman/listinfo/profox OT-free version of this list: http://mail.leafe.com/mailman/listinfo/profoxtech Searchable Archive: https://leafe.com/archives This message: https://leafe.com/archives/byMID/CAGv=mjcxms2tdxj1zinyxvbwffqenq-cknwtsgueyouytru...@mail.gmail.com ** All postings, unless explicitly stated otherwise, are the opinions of the author, and do not constitute legal or medical advice. This statement is added to the messages for those lawyers who are too stupid to see the obvious.
