Re: Recreating the wheel...

[pboin]

Sounds like you should be reading about Unison. Unless, you really want to implement your own solution, unison is really slick (and it's perfectly happy to work cross platform -- at least between linux & windows.)

PS: You really should improve your titling of this node.

[astaines]

Agreed, Unison is very good indeed - the only catch I know of is that you need to keep the same version of Unison on all your machines.

[john_oshea]

One thing to bear in mind with Unison is that it doesn't (at least last time I checked) handle Mac OS9-style resource forks at all. Rsync (under Tiger at least) is meant to be able to, but I've also read things about it not quite being 100% there yet. I'm presuming that might be an issue, given the OP's mention of iDisk.

Having said that, I can't actually remember the last time I had to deal with a file with a resource fork...

[blm]

You can use RsyncX to preserve resource forks.