Re: Customizing group buffer - strange "number of total articles"

[Rainer M. Krug]

Oleksandr Gavenko <gavenkoa@gmail.com> writes:

> On 2013-04-15, Rainer M. Krug wrote:
>
>> Hi
>>
>> I changed my group buffer format and added %t whic, according to the
>> manual is
>>
>> ,----
>> | `t'
>> |   Total number of articles.
>> `----
>>
>> but it gives me very strange numbers, e.g. in the Inbox of my gmail
>> account (synced via offlineimap) I get nearly 10 times the number of
>> actual messages. It is an local imap account. I checked the number of
>> files in the Inbox folder of gmail, and it is also only about 10% of
>> number shown for %t.
>>
>> I also read in the info manual that it is only an estimate and the
>> liitations for nntp, but my backend is nnimap and I can therefore not
>> compact.
>>
>> So my queestion is: is there a way of getting the number of mails from
>> the nnimap backend in the group buffer?
>>
>
> (info "(gnus)FAQ 4-12")
>
> Question 4.12
> .............
>
> The number of total messages in a group which Gnus displays in group
> buffer is by far to high, especially in mail groups. Is this a bug?
>
> Answer
> ......
>
> No, that's a matter of design of Gnus, fixing this would mean
> reimplementation of major parts of Gnus' back ends. Gnus thinks
> "highest-article-number - lowest-article-number =
> total-number-of-articles". This works OK for Usenet groups, but if you
> delete and move many messages in mail groups, this fails. To cure the
> symptom, enter the group via `C-u RET' (this makes Gnus get all
> messages), then hit `M P b' to mark all messages and then say `B m
> name.of.group' to move all messages to the group they have been in
> before, they get new message numbers in this process and the count is
> right again (until you delete and move your mail to other groups again).
<#secure method=pgpmime mode=sign>
Thanks for showing me the FAQ - makes sense.

I will think about it and see if I can work around that.\

Cheers,

Rainer

-- 
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, 
UCT), Dipl. Phys. (Germany)

Centre of Excellence for Invasion Biology
Stellenbosch University
South Africa

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