Bob Sneidar wrote:
Oh gotcha! So you are saying that the properties are something that is
a part of the executable inside the package? How odd.
The confusion stems from OS X lying to us: it tells us that an
application is a file, when it's really a folder. :)
The actual executable (the runtime engine bound to your stack) is inside
that folder in /Contents/MacOS/. That executable is essentially the
same as you get on Win and Linux, except that on OS X it's buried inside
of these other folders comprising the "bundle". This executable cannot
modify itself at runtime, and I don't believe any of the supported OSes
allow any executable to modify themselves.
But as you've found, just about any data file be modified, including
those stored in the bundle (with appropriate permissions).
While it's possible to write data into the bundle, the OS X HIG suggests
using the Application Support folder or Preferences for that. The
equivalent to Application Support in Win is Application Data. You can
get the paths to these using Rev's specialFolderPath function:
-- OS X: Application Support
get specialFolderPath("asup")
-- OS X: Preferences:
get specialFolderPath("preferences")
-- Win: Application Data:
get specialFolderPath(26)
For a complete list of constants for special folders on OS X and Win:
<http://sonsothunder.com/devres/revolution/tips/file010.htm>
As Paul noted, one advantage to storing your user's data outside of the
bundle is that they can upgrade the application without losing their data.
--
Richard Gaskin
Fourth World
Revolution training and consulting: http://www.fourthworld.com
Webzine for Rev developers: http://www.revjournal.com
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