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If you are using a threaded summary display, you can sort the threads by
gnus-thread-sort-functions, which can be either a single
function, a list of functions, or a list containing functions and
(not some-function) elements.
By default, sorting is done on article numbers. Ready-made sorting
predicate functions include
Each function takes two threads and returns non-
nil if the first
thread should be sorted before the other. Note that sorting really is
normally done by looking only at the roots of each thread. Exceptions
to this rule are
If you use more than one function, the primary sort key should be the
last function in the list. You should probably always include
gnus-thread-sort-by-number in the list of sorting
functions—preferably first. This will ensure that threads that are
equal with respect to the other sort criteria will be displayed in
ascending article order.
If you would like to sort by reverse score, then by subject, and finally by number, you could do something like:
(setq gnus-thread-sort-functions '(gnus-thread-sort-by-number gnus-thread-sort-by-subject (not gnus-thread-sort-by-total-score)))
The threads that have highest score will be displayed first in the summary buffer. When threads have the same score, they will be sorted alphabetically. The threads that have the same score and the same subject will be sorted by number, which is (normally) the sequence in which the articles arrived.
If you want to sort by score and then reverse arrival order, you could say something like:
(setq gnus-thread-sort-functions '((not gnus-thread-sort-by-number) gnus-thread-sort-by-score))
By default, threads including their subthreads are sorted according to
the value of
gnus-thread-sort-functions. By customizing
gnus-subthread-sort-functions you can define a custom sorting
order for subthreads. This allows for example to sort threads from
high score to low score in the summary buffer, but to have subthreads
still sorted chronologically from old to new without taking their
score into account.
The function in the
gnus-thread-score-function variable (default
+) is used for calculating the total score of a thread. Useful
functions might be
min, or squared means, or whatever
tickles your fancy.
If you are using an unthreaded display for some strange reason or
other, you have to fiddle with the
variable. It is very similar to the
gnus-thread-sort-functions, except that it uses slightly
different functions for article comparison. Available sorting
predicate functions are
If you want to sort an unthreaded summary display by subject, you could say something like:
(setq gnus-article-sort-functions '(gnus-article-sort-by-number gnus-article-sort-by-subject))
You can define group specific sorting via
See section Group Parameters.
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