Re: Test for existence of a variable?
Re: Test for existence of a variable?
- Subject: Re: Test for existence of a variable?
- From: Matt Neuburg <email@hidden>
- Date: Thu, 18 Aug 2005 13:07:53 -0700
On Thu, 11 Aug 2005 10:15:45 -0400, "Mark J. Reed" <email@hidden>
said:
>DIdn't see anything on this topic in my copy of Neuberg. Is there any way to
>test to see if a variable has been defined?
It's Neuburg, and in my copy it says what to do on p. 116: fetch the value
of the variable and see if you get an error. And it tells you to look in
chapter 12 for the discussion of how to handle errors. m.
--
matt neuburg, phd = email@hidden, <http://www.tidbits.com/matt/>
A fool + a tool + an autorelease pool = cool!
AppleScript: the Definitive Guide
<http://www.amazon.com/exec/obidos/ASIN/0596005571/somethingsbymatt>
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