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Re: [Nmh-workers] What OS/Architecture Do You Run nmh On?


From: Ken Hornstein
Subject: Re: [Nmh-workers] What OS/Architecture Do You Run nmh On?
Date: Sat, 17 Feb 2018 21:30:43 -0500

>from there, implementing Maildir might be easier than from here. even 
>IMAP isn't impossible, if we're willing to return a socket descriptor 
>instead of a file descriptor, or maybe a pipe from a fork, or (gag me) a 
>temporary file.

Weeeelll ... I think, sadly, that to really make things like IMAP a win
we need to abstract out things a bit more.

You can see my experiments with program I wrote, "imaptest", here:

  http://lists.nongnu.org/archive/html/nmh-workers/2017-10/msg00043.html
  http://lists.nongnu.org/archive/html/nmh-workers/2017-10/msg00068.html

The upshot from all that is to really take advantage of IMAP, we need
to be a lot smarter and leverage the protocol more.  For example, when
doing a scan(1) of a large group of messages you can just ask the IMAP
server for the information you are interested in; we already know this
because the format engine has that information.  For pick(1) we can ask
the server to do the searching for us, and that is a HUGE win.  So
just asking for a handle for a message to do what we've BEEN doing
isn't really good enough, I think ... we want to tell our API, "Hey,
I want to work on this set of messages, I need this information, and
here's an iterator function I want you to call for every message".

--Ken



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