Instance Method

createDirectoryAtPath:withIntermediateDirectories:attributes:error:

Creates a directory with given attributes at the specified path.

Declaration

- (BOOL)createDirectoryAtPath:(NSString *)path withIntermediateDirectories:(BOOL)createIntermediates attributes:(NSDictionary<NSFileAttributeKey, id> *)attributes error:(NSError * _Nullable *)error;

Parameters

path

A path string identifying the directory to create. You may specify a full path or a path that is relative to the current working directory. This parameter must not be nil.

createIntermediates

If YES, this method creates any non-existent parent directories as part of creating the directory in path. If NO, this method fails if any of the intermediate parent directories does not exist. This method also fails if any of the intermediate path elements corresponds to a file and not a directory.

attributes

The file attributes for the new directory and any newly created intermediate directories. You can set the owner and group numbers, file permissions, and modification date. If you specify nil for this parameter or omit a particular value, one or more default values are used as described in the discussion. For a list of keys you can include in this dictionary, see Constants. Some of the keys, such as NSFileHFSCreatorCode and NSFileHFSTypeCode, do not apply to directories.

error

On input, a pointer to an error object. If an error occurs, this pointer is set to an actual error object containing the error information. You may specify nil for this parameter if you do not want the error information.

Return Value

YES if the directory was created, YES if createIntermediates is set and the directory already exists, or NO if an error occurred.

Discussion

If you specify nil for the attributes parameter, this method uses a default set of values for the owner, group, and permissions of any newly created directories in the path. Similarly, if you omit a specific attribute, the default value is used. The default values for newly created directories are as follows:

  • Permissions are set according to the umask of the current process. For more information, see umask.

  • The owner ID is set to the effective user ID of the process.

  • The group ID is set to that of the parent directory.

See Also

Creating and Deleting Items

createDirectoryAtURL:withIntermediateDirectories:attributes:error:

Creates a directory with the given attributes at the specified URL.

createFileAtPath:contents:attributes:

Creates a file with the specified content and attributes at the given location.

removeItemAtURL:error:

Removes the file or directory at the specified URL.

removeItemAtPath:error:

Removes the file or directory at the specified path.

replaceItemAtURL:withItemAtURL:backupItemName:options:resultingItemURL:error:

Replaces the contents of the item at the specified URL in a manner that insures no data loss occurs.