Subscribing to a foreign group from the local spool is extremely easy, and might be useful, for instance, to speed up reading groups that contain very big articles—‘alt.binaries.pictures.furniture’, for instance.
Anyway, you just specify
nnspool as the method and
anything else) as the address.
If you have access to a local spool, you should probably use that as the
native select method (see Finding the News). It is normally faster
than using an
nntp select method, but might not be. It depends.
You just have to try to find out what's best at your site.
nnspoollooks for the articles. This is normally /usr/spool/news/.
nnspoolwill look for NOV files. This is normally
nnspoolwon't try to use any NOV files that it finds.
nil, which is the default, use
sedto get the relevant portion from the overview file. If
nnspoolwill load the entire file into a buffer and process it there.