NSFileManager destinationOfSymbolicLinkAtPath example ios

destinationOfSymbolicLinkAtPath :error:

Returns the path of the item pointed to by a symbolic link.

- (NSString *)destinationOfSymbolicLinkAtPath:(NSString *)patherror:(NSError **)error

Parameters

path

The path of a file or directory.

error

If an error occurs, upon return contains an NSError object that describes the problem. Pass NULL if you do not want error information.

Return Value of [NSFileManager destinationOfSymbolicLinkAtPath]

An NSString object containing the path of the directory or file to which the symbolic link path refers, or nil upon failure. If the symbolic link is specified as a relative path, that relative path is returned.

Example of [NSFileManager destinationOfSymbolicLinkAtPath]

- (NSString *)stringByConditionallyResolvingSymlink

{

    // Get the path that the symlink points to

    NSString *symlinkPath =

        [[NSFileManager defaultManager]

            destinationOfSymbolicLinkAtPath:self

            error:NULL];

    if (!symlinkPath)

    {

        return nil;

    }

    if (![symlinkPath hasPrefix:@"/"])

    {

        // For relative path symlinks (common case), resolve the relative

        // components

        symlinkPath =

            [[self stringByDeletingLastPathComponent]

                stringByAppendingPathComponent:symlinkPath];

        symlinkPath = [symlinkPath stringByStandardizingPath];

    }

    return symlinkPath;

}