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Text File  |  1992-07-22  |  980 b   |  25 lines
  1. Newsgroups: comp.sys.mac.hypercard
  2. Path: sparky!uunet!gatech!cc.gatech.edu!news
  3. From: byrne@cc.gatech.edu (Michael Byrne)
  4. Subject: Re: Field existance query?
  5. Message-ID: <1992Jul23.032459.11156@cc.gatech.edu>
  6. Sender: news@cc.gatech.edu
  7. Organization: College of Computing
  8. References: <1992Jul21.214421.23197@rice.edu> <91631@bu.edu> <1992Jul22.194139.27659@nic.umass.edu>
  9. Date: Thu, 23 Jul 1992 03:24:59 GMT
  10. Lines: 13
  11.  
  12. In article <1992Jul22.194139.27659@nic.umass.edu> s3583045@titan.ucc.umass.edu (John Greene) writes:
  13. >Is there any easy way to tell if a field exists without a dialog coming up?
  14.  
  15. The expression (there is a card field "foo") will evaluate to true if such
  16. a field exists, false otherwise.
  17.  
  18. ============================================================
  19. Mike Byrne                               byrne@cc.gatech.edu
  20. Grad student in Psychology/Cognitive Science
  21. 25947 GA Tech Station, Atlanta, GA 30332
  22.  
  23. ----->>>>    "Only the mediocre are always at their best."
  24.                     
  25.