find threads where I and Jian participated but not Dave

[Gaute Hope]

Gaute Hope writes on juni 22, 2017 8:08:
> Daniel Kahn Gillmor writes on juni 21, 2017 23:30:
>> On Wed 2017-06-21 13:04:53 -0700, Matt Armstrong wrote:
>>> For what it is worth, I've found this idea from Daniel intriguing and
>>> pretty useful in practice:
>>>
>>>   "show me threads in which i've participated, where there are some
>>>    messages flagged with 'inbox'"
>>>
>>> I implement it like this in my post-new hook:
>>>
>>>     # All messages in threads in which I participate get tag:participated
>>>     notmuch search --output=threads from:marmstrong | \
>>>       sed -e 's,^,+participated -- ,' | \
>>>       notmuch tag --batch
>> 
>> cool, thx for the suggestion.
>> 
>> the "notmuch search" part of the pipeline alone takes ~19s (wall time,
>> and actual CPU time) for me though :/  It returns 30504 threads!  how
>> many threads do you get?
> 
> Is there any reason why you do not filter on a tag 'new' as well?
> 
>      notmuch search --output=threads from:marmstrong and tag:new | \
>        sed -e 's,^,+participated -- ,' | \
>        notmuch tag --batch
> 

Nevermind, I get it - it might be possible to add a temporary tag 
new-tag to the whole thread first and not just new messages. That might 
be faster. As long as all sent messages get the new tag as well.

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