On Nov 1, 2011, at 11:37 AM, Laurent Daudelin wrote:

> On Nov 1, 2011, at 11:00, James Merkel wrote:
> 
>> Why would someone want to base their application on the tenuous availability 
>> of a temporary exception ?
>> 
>> Jim Merkel
>> 
>> On Nov 1, 2011, at 10:30 AM, Laurent Etiemble wrote:
>> 
>>> Hello,
>>> 
>>> In a sandboxed application, you can read/write files without the save 
>>> dialog by using the "File Access Temporary Exceptions" 
>>> (cf.http://developer.apple.com/library/mac/#documentation/Miscellaneous/Reference/EntitlementKeyReference/AppSandboxTemporaryExceptionEntitlements/AppSandboxTemporaryExceptionEntitlements.html).
>>>  These keys describe the folders in which you want to read/write files, 
>>> either relative to user home folder or absolute.
>>> 
>>> Here is an example to read any files inside the /Users folder:
>>> 
>>>     
>>> <key>com.apple.security.temporary-exception.files.absolute-path.read-only</key>
>>>     <array>
>>>             <string>/Users/</string>
>>>     </array>
>>> 
>>> Here is an example to read and write any files inside the user home:
>>> 
>>>     
>>> <key>com.apple.security.temporary-exception.files.home-relative-path.read-write</key>
>>>     <array>
>>>             <string>/</string>
>>>     </array>
> 
> Well, I maintain a synchronization tool. For me, that seems like a reasonable 
> solution. Each time the user decides to synchronize 2 folders, I could just 
> use a temporary exception.
> 
> -Laurent.
> -- 
> Laurent Daudelin
> AIM/iChat/Skype:LaurentDaudelin                               
> http://www.nemesys-soft.com/
> Logiciels Nemesys Software                                    
> laur...@nemesys-soft.com
> 

Your're assuming the temporary exception will always be granted.

Jim Merkel
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