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Old 05-24-2010, 10:12 AM   #1
Registered: Jun 2004
Location: Niagara Falls, Canada
Distribution: Ubuntu
Posts: 30

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how do I make unison transfer newer files during sync?

Hi There,
I have unison running on both my laptop and desktop, both use Ubuntu 10.04 (AMD64), I have my unison script set up to copy new files, but when it have 2 files already in place I have to manually tell it how to deal with it (either copy laptop->desktop or visa-versa). I would prefer to just run unison and click go, or possibly have an icon on the desktop I can click to automatically run it.

Does anyone know how to set it in the script file to copy the newest file over the older file, whether it be laptop -> desktop or desktop -> laptop?

I have it set up so I can do work on my desktop machine, then when I want to leave my desk to work elsewhere, I run unison on the laptop and synchronize my Firefox bookmarks, emails and schoolwork so I can continue from where I left off and when I get back I run unison again to synchronize all my changes back to the desktop.

many thanks
Old 05-24-2010, 11:23 AM   #2
David the H.
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Registered: Jun 2004
Location: Osaka, Japan
Distribution: Debian sid + kde 3.5 & 4.4
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I've only played with unison a little so far, so I'm not an expert, but I believe you just add "prefer=newer" to your script. There's also a "force=newer" option, and preferpartial/forcepartial for fine-tuning which files get copied which way, but to tell the truth I'm not completely clear on the differences between all these settings.

But be sure to read the manual carefully before following my advice please.
Old 05-24-2010, 02:18 PM   #3
Registered: Jun 2004
Location: Niagara Falls, Canada
Distribution: Ubuntu
Posts: 30

Original Poster
Rep: Reputation: 15
Thanks David, that did the trick.

I added times = true to allow it to propagate the time, then I added prefer = newer

I read the corresponding sections of the manual you linked me to for that info, it is much appreciated.

thanks again.

Peter M



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