On 29.10.2012, at 12:43, Mike Abdullah wrote:
>
> On 29 Oct 2012, at 09:22, Andreas Grosam <[email protected]> wrote:
>
>> I'm attempting to create a directory with NSFileManager's method. The
>> directory may already exist.
>>
>> According the documentation
>> <https://developer.apple.com/library/mac/#documentation/Cocoa/Reference/Foundation/Classes/NSFileManager_Class/Reference/Reference.html>
>> the method shall return YES if the directory already exists:
>>
>> "
>> Return Value
>> YES if the directory was created or already exists or NO if an error
>> occurred.
>> "
>>
>> However, when the directory already exists it returns NO with error
>> parameter set:
>>
>>
>> NSFileManager* fm = [[NSFileManager alloc] init];
>> NSString* tmpDir = [NSTemporaryDirectory()
>> stringByAppendingPathComponent:@"Test"];
>> NSError* error;
>> if (![fm createDirectoryAtPath:tmpDir
>> withIntermediateDirectories:NO
>> attributes:nil
>> error:&error]) {
>> NSLog(@"ERROR: setup test environment with error: %@", error);
>> }
>>
>>
>>
>> Console:
>>
>> ERROR: setup test environment with error: Error Domain=NSCocoaErrorDomain
>> Code=516 "The file “Test” couldn’t be saved in the folder “T” because a file
>> with the same name already exists." UserInfo=0x100600150
>> {NSFilePath=/var/folders/m9/5p__qm3967qchc9_26tl85km0000gn/T/Test,
>> NSUnderlyingError=0x100602d00 "The operation couldn’t be completed. File
>> exists"}
>>
>>
>> Do I miss something?
>
> Is it possible you've ended up with a *file* there named "Test" rather than a
> directory?
This doesn't seem the case:
(note the folder's name is "RelaxTest")
Console:
ERROR: setup test environment with error: Error Domain=NSCocoaErrorDomain
Code=516 "The file “RelaxTest” couldn’t be saved in the folder “T” because a
file with the same name already exists." UserInfo=0x100116bb0
{NSFilePath=/var/folders/m9/5p__qm3967qchc9_26tl85km0000gn/T/RelaxTest,
NSUnderlyingError=0x100116990 "The operation couldn’t be completed. File
exists"}
Terminal:
$ pwd
/var/folders/m9/5p__qm3967qchc9_26tl85km0000gn/T
T$ ls -al
total 816
drwx------ 10 me staff 340 29 Okt 13:15 .
drwxr-xr-x 5 me staff 170 26 Okt 09:20 ..
drwxr-xr-x 2 me staff 68 29 Okt 13:10 RelaxTest
...
T$ cd RelaxTest/
RelaxTest$ ls
RelaxTest$ ls -al
total 0
drwxr-xr-x 2 me staff 68 29 Okt 13:10 .
drwx------ 10 me staff 340 29 Okt 13:15 ..
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