🚀 go-pugleaf

rmal@jet.uk (Richard Lucock) writes:

>It depends on how sophisticated the program structure is, I suppose. I
>can imagine a program that downloads a news header while a separate
>task is examining the previous header to decide whether to take the
>rest of the previous article. Then when the current header is
>finished, the transfer program can download the article from the
>previous header if required. This way the download task is busy all of
>the time, but unwanted article bodies are not transferred.

Yes. But this simple approach is usually slow unless the article
bodies are quite large. The overhead for an additional command
per article can slow transfers significantly and a complex check
for a header field can be slow too (especially the message-id field).

Regards,
-- 
                                Michael van Elst

Internet: mlelstv@serpens.rhein.de
                                "A potential Snark may lurk in every tree."