Re: Changing file & directory names

FROM : Sherm Pendley
DATE : Sat Jul 01 21:47:38 2006

On Jul 1, 2006, at 3:18 PM, John Stiles wrote:

> Sherm Pendley wrote:

>> On Jul 1, 2006, at 1:41 PM, Dean Snyder wrote:
>>

>>> Greg Titus wrote at 10:26 AM on Saturday, July 1, 2006:
>>>

>>>> [[NSFileManager defaultManager] movePath:src toPath:dest
>>>> handler:handler];
>>>> Hope this helps!

>>>

>>>> From Apple documentation for NSFileManager movePath:

>>>
>>> "If source is a file, the method creates a file at destination that
>>> holds the exact contents of the original file and then deletes the
>>> original file. If source is a directory, movePath:toPath:handler:
>>> creates a new directory at destination and recursively populates 
>>> it with
>>> duplicates of the files and directories contained in source."
>>>
>>> This is really heavyweight

>>
>> No, it's not heavy at all - you've just misunderstood what it 
>> does. When the above says "creates a file at destination", it's 
>> talking about creating a new directory entry that points to the 
>> same data, not about copying the data.

> I don't see any way that you could read this entry without 
> interpreting it as "directories are copied element-by-element." 
> There's no ambiguity at all.


It's done that way because link() cannot create a hard link to a 
directory. Even so, once the new directory is created, link() 
followed by unlink() are used to move files into it.

sherm--

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