Parse if there have been new mails synched to the local dir.

[Profpatsch]

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On 01/29/2013 11:37 PM, Tomasz Żok wrote:
> [Account NAME] ... postsynchook = /path/to/any/script.sh

That’s a cool way to execute manual scripts, might use it. I’m not
sure yet, how to do it with cron (or rather: fcron), normal syncs and
quick syncs.

> 1) To check how many new messages you have: find /path/to/MAILDIR/
> -type f -wholename '*/new/*' | wc -l
> 
> 2) To check how many old but unseen messages you have: find
> /path/to/MAILDIR/ -type f -regex '.*/cur/.*2,[^S]*$' | wc -l

Now that’s brilliant.
Should have checked the maildir spec first.

> An even better option would be to use inotify which will not use
> any CPU or disk IO. It will be simply informed by kernel when new
> email shows up. I had once such script, but lost it and did not
> have motivation to rewrite it yet ;). But it is possible in a shell
> script, it is nothing complicated so maybe someone else from the
> mailing list came with such solution and would like to share.

Well, it’s not like the kernel doesn’t need to spend lots of cycles
checking for changes on the files, is it?
Having inotify idling around all the time might use more resources
than checking every time offlineimap executes with a quick (and maybe
even cached) find.
But that’s probably just my uninformed-ness and inotify doesn’t use
anything.
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