How to display file copy progress in 10.8

Question

FSCopyObjectAsync is Deprecated in OS X v10.8, Now how to display progress indictor for file copy operation.

Answer 1

I created an open source project addressing this issue, I wrapped copy file(3) on a NSOperation and created a gui for it, please check it out and maybe contribute to make it better.

https://github.com/larod/FileCopyDemo