Merging folders on a Mac is kind of a pain.
When you do it, Finder tries to overwrite any file with the same name with the newer version.
That means it’s easy to accidentally erase a whole folder.
How-To Geek shows off a better way to merge folders using Terminal.
If you want to merge folders properly use thedittocommand in Terminal.
If you’ve been annoyed by Finder’s inconsistent merge options,dittoshould do the trick.
How to Merge Folders on OS X Without Losing All Your Files (Seriously)| How-To Geek
