Re: Instantly delete a directory without recursion?
Re: Instantly delete a directory without recursion?
- Subject: Re: Instantly delete a directory without recursion?
- From: Michael Watson <email@hidden>
- Date: Tue, 5 Oct 2010 12:48:32 -0700
You should /always/ perform I/O on a secondary thread whenever possible. Every I/O you perform on the UI thread is an opportunity for hangs or unresponsiveness. Grand Central Dispatch is your friend here.
--
michael
On 04 Oct, 2010, at 05:54, Guillem Palou wrote:
> I don't think so,
>
> If time is a constraint, try running the delete process in a background thread, if it is not a problem.
>
> On Oct 4, 2010, at 10:24 AM, Oleg Krupnov wrote:
>
>> Hi Guillem,
>>
>> You are correct, in many cases the number of files will not be big, so
>> it should not matter too much, but using the opportunity, I decided to
>> illuminate myself regarding the possibilities there are in the file
>> system.
>>
>> I had an idea that because the directory tree is growing from a single
>> root, there *might* be a possibility to axe it off with a single hit.
>> Is it possible?
>>
>> Thanks.
>>
>> On Mon, Oct 4, 2010 at 11:18 AM, Guillem Palou <email@hidden> wrote:
>>> When removing directories, the OS should remove all the tree created in the filesystem. I think you cannot do anything else?
>>> Is it so critical? How many files do you have to delete?
>>>
>>> On Oct 4, 2010, at 10:12 AM, Oleg Krupnov wrote:
>>>
>>>> Let me make the question more clear: I am aware of functions like
>>>> [NSFileManager removeItemAtPath: error:], but what they do under the
>>>> hood is they iterate through the subdirectories and files and delete
>>>> them first. This takes some time. I am interested if it is possible to
>>>> do this instantly, without even implicit recursion. Just remove the
>>>> directory and the files and subdirectories would disappear?
>>>>
>>>> Thanks!
>>>>
>>>> On Mon, Oct 4, 2010 at 11:03 AM, Oleg Krupnov <email@hidden> wrote:
>>>>> Hi,
>>>>>
>>>>> Is there a way to delete a directory instantly and completely without
>>>>> first deleting all its subdirectories and files recursively?
>>>>>
>>>>> Thanks.
>>>>>
>>>>> Oleg.
>>>>>
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>
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