simple shell script to compare two dirs recursively

Valeri Galtsev galtsev at
Mon Nov 2 18:14:19 UTC 2020

On 11/2/20 12:11 PM, Per olof Ljungmark wrote:
> Hi all,
> I could *probably* cook this myself with some time and patience, but now 
> it is somewhat urgent, so if someone likes to share their already 
> working solution I would be most grateful.

One I know exists since forever:

diff -r /path1 /path2


> I need a *simple* shell (does not matter which) script run by cron that 
> recurses through two directories, compare all the files and produces 
> simple diffs IF there are any. I'm sure this is something that a lot of 
> you already did.
> Thanks so much to all the nice folks on the list and FreeBSD in particular!
> Per
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Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247

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