In XCode 4.2 (I know this is an old question) there is Duplicate under the File menu.
Select the file (you can select multiple files but it doesn’t appear to do anything useful) in the Project Navigator and then File->Duplicate. Hooray!
In XCode 4.2 (I know this is an old question) there is Duplicate under the File menu.
Select the file (you can select multiple files but it doesn’t appear to do anything useful) in the Project Navigator and then File->Duplicate. Hooray!