On Fri, May 02, 2014 at 09:57:49PM -0700, dm-list-email-notmuch@scs.stanford.edu wrote:
> 
> Worse, because of my poor performance, I was hoping to segregate
> messages by year.  So it would be:
> 
>   2013/.mail.class
>   2013/.mail.voicemail
>   2014/.mail.class
>   2014/.mail.voicemail
> 
> All the way back.  Now you are saying there will be no convenient way to
> match just the "mail.class" part without the year?  How very
> distressing.  Ugh.

If you are using shell commands, you can always use:

  $ notmuch count -- folder:201{3,4}/.mail.class

Not sure how to achieve the same from the Emacs UI (or other UIs).

Hope this helps,

-- 
Suvayu

Open source is the future. It sets us free.