Today, again, I'm faced with troubles merging folders on the mac. But this time I don't want to discuss / try to solve the issue with finder.

So, just wondering once more, anyone have a good software out there, to recursively copy files from one folder to another without killing the destination?


I use SyncTwoFolders and I've never had a problem with it. Just be sure you have the options configured the way you want them before you start or you could unintentionally lose data.

There is also FileSync which I have less experience with, you can also accomplish the same thing using Carbon Copy Cloner or SuperDuper!.

rsync -avz --ignore-existing src dest
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    One might consider using cdto to open the terminal cd'ed to the current folder - macupdate.com/info.php/id/24105/%3E-cd-to-... – slhck Nov 2 '10 at 9:45
  • I did say mac, not *nix. There are many distinctive advantages of having a GUI other than being pretty. Being able to analyze through integration (hear a song, see a video, read a text), individually select different actions on bulk operations such as this (pause, continue, delete just this one, hold that for later) and actually facilitating making progress, saving states to continue another day, just to name a few. – cregox Nov 2 '10 at 18:38
  • @Cawas: Those operations do not come for free; someone has to write the software to do that. On the other hand, rsync has already been written, and it works fine on OS X. – Ignacio Vazquez-Abrams Nov 2 '10 at 18:43
  • not asking for free. and thanks for your attention! ;) – cregox Nov 2 '10 at 21:06

Does Mac OS X's "ditto" solve this problem?


  • not anymore than rsync, as discussed with Ignacio. – cregox Nov 18 '10 at 12:17

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