On Tue, 26 Nov 2019 16:14:57 +0100
Arnt Karlsen <arnt@???> wrote:

> On Tue, 26 Nov 2019 15:21:33 +0100, Stephane wrote in message
> <a7577d41-7417-7d79-43ba-55995de6f5ba@???>:
>
> > Arnt Karlsen
> [...]
> >
> > Hi, this is very interesting, but I can't see how it may be used to
> > split a specific digest in my Thunderbird
>
> ..you can't (AFAIK), you do it outside your MUA, with e.g.:
> 'cat $DIGEST |formail +1 -ds procmail ', then chk your MUA
> for the "new messages" from your $DIGEST


Claws Mail's "actions" let you pipe messages to the shell; I use it
e.g. with munpack to extract embedded images from "apple mail"
messages. If TB doesn't have a similar feature, I'd bet that there
exists an add-on.

libre Grüße,
Florian