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Re: How do you test if a property is empty
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Re: How do you test if a property is empty


  • Subject: Re: How do you test if a property is empty
  • From: "Mark J. Reed" <email@hidden>
  • Date: Mon, 19 Jan 2009 15:34:28 -0500

I believe something like this should work in general, not just for
iTunes tracks:

set current_val to the missing value
try
   set current_val to some_prop of some_object
end try

if current_val is the missing value then
   -- it wasn't set
else
   -- it was set
end if



On 1/19/09, Paul Taylor <email@hidden> wrote:
>
>> I realise when I originally tried this to do this I just compared to
>> 'missing' rather then 'missing value' , this seems to be the nearest
>> solution
>>
>> thanks Paul
> oops I meant 'neatest' solution
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References: 
 >RE: How do you test if a property is empty (From: "Stockly, Ed" <email@hidden>)
 >Re: How do you test if a property is empty (From: Paul Taylor <email@hidden>)
 >Re: How do you test if a property is empty (From: Paul Taylor <email@hidden>)

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