Re: Launching Cocoa Application externally

FROM : Douglas Davidson
DATE : Thu May 15 20:49:15 2008

On May 15, 2008, at 11:45 AM, Jens Alfke wrote:

>> The problem was that I access a file (without proper error-
>> handling; I will add that now :-)). The default working directory 
>> is the main-bundle path when run from within XCode and it is "/" 
>> when run from Finder.
>>
>> I repaired this by adding
>> [[NSFileManager defaultManager] changeCurrentDirectoryPath:
>>    [[[NSBundle mainBundle] bundlePath] 
>> stringByDeletingLastPathComponent]];
>> to my awakeFromNib. I hope this works as I intend.

>
>
> That will work, although if any other -awakeFromNib method (of an 
> object in that nib) wants to use a relative path, you have a race 
> condition, because the order in which -awakeFromNib methods are 
> called is, basically, random.
>
> But it's better to just avoid using relative paths, if possible. If 
> you're accessing a file inside your bundle, you should use the 
> NSBundle resource APIs to get its location.


Let me echo what Jens said.  The cwd is for command-line tools; don't 
use it, or anything that relies on it, in an application context, if 
you can do anything to avoid it.

Douglas Davidson