Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ukma!rutgers!apple!dan
From: dan@Apple.COM (Dan Allen)
Newsgroups: comp.sys.mac.hypercard
Subject: Re: Testing card existence by name
Message-ID: <24979@apple.Apple.COM>
Date: 29 Jan 89 23:53:30 GMT
References: <2064@iitmax.IIT.EDU>
Distribution: usa
Organization: Apple Computer Inc, Cupertino, CA
Lines: 25

In article <2064@iitmax.IIT.EDU> nestor@iitmax.IIT.EDU (John Nestor) writes:
>I would like to test whether a card of a given name exists in a stack
>using hypertalk.  There must be an easy way to do this, but I sure can't
>find anything.  My current hack is to do a linear search of the cards in
>the stack, but this is painfully slow.  Have I overlooked a better way?

Try:

  go card foo
  if the result = "no such card" then beep
  
where foo is the name of the card and beep could easily be replaced with
whatever special thing you wanted to do.


Dan Allen                **    dan@apple.COM (Unix mail)
Software Explorer        **    ALLEN.DAN (AppleLink)
HyperCard Team           **    20525 Mariani Ave. MS 22AE
Apple Computer           **    Cupertino, CA 95014
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