Arrays and Custom Props

Bob Sneidar bobs at twft.com
Mon Feb 16 13:28:57 EST 2009


Hi Mark.

Thanks. I do understand that properties are persistent so long as a  
standalone is running. I understand that Revolution standalones will  
not save the state of properties when you quit them. I was saying that  
Applescript standalones CAN and DO save the state of properties when  
they quit, so that when you start up again they have the values you  
set them to before you quit. The only time you lose them is when you  
recompile the standalone (of course).

I was just thinking in some future rendition of Revolution, maybe they  
could pull that off, by saving the states of the properties internally  
to the package itself. Barring that, maybe having a seperate "runtime  
engine" similar to what Foxpro used to use, which did not allow  
development, but only allowed execution of stacks would be possible.

BTW I tested the theory that an app cannot be modified while running.  
This is not true. I opened TextEdit and while it was running I opened  
the package contents and edited a plist file using PlistEditPro. I  
changed one of the values and saved the plist successfully. Wouldn't  
an internal property plist file do nicely for just this sort of thing?

Bob Sneidar
IT Manager
Logos Management
Calvary Chapel CM

On Feb 14, 2009, at 1:48 PM, Mark Wieder wrote:

> Robert-
>
> Saturday, February 14, 2009, 1:27:33 PM, you wrote:
>
>> I suppose where I was getting confused is that Applescript apps
>> properties are persistent. I just assumed rev apps pulled the same
>> kind of trick.
>
> Methinks you're still a bit confused about this.
> Custom. Properties. Are. Persistent.
>
> The "problem" with standalone apps is that they can't be modified
> while they're running. So any changes you make in memory aren't (and
> can't) be saved to the running application. This is an operating
> system thing, not a rev thing. There are various ways to work around
> this: preferences files, splash screen apps, separate stack files,
> etc.
>
> -- 
> -Mark Wieder
> mwieder at ahsoftware.net
>
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