Daniel wrote:
I'm trying to set up some filters to apply to some/all of my UseNet groups, and I think they would effectively be Boolean Expressions, so I'm wondering if they are possible??

Some examples might be .....

1.    If Lines>99 <AND> Total Posts=1 then Mark as Read.
     (i.e. a very long post/rant that no one replied to)

2.    If TotalPosts <DOES NOT EQUAL> Unread then Mark as Read.
     (Maybe a responder is already the subject of a filter, so their
     posts would already be Mark as Read, so get rid of the thread.)

3.    If Newsgroups <Contains> ParticularNewsgroup then Mark as Read.
     (Some groups seem to attract REAL loonies, so if those groups
     are cross-posted to, I'm not interested in thread)


I've found the filters capacity of Mozilla's mail clients (both Thunderbird and Seamonkey) to be somewhat limited.

I will suggest that your request of "boolean" is misplaced. Boolean addresses the logic of AND, OR and NOT -- essentially grouping conditions there. Personally, I find it frustrating that there's no capacity for mixing AND and OR with parens -- e.g., "x AND (y OR z) AND NOT a". Filters with multiple conditions are pretty much limited to "match all" or "match any", and that's it.

However, your question isn't really related to Boolean operators, so much as what kinds of conditions you can include in your filters.

For items 1 and 2, I don't believe that's possible within the existing structure. These are ones that take calculation (and likely, interaction with the news server itself). There's a lot of different servers that support nntp, but I'm not aware of any of them that will allow a remote client to interact at this level.

For item 3, I think you can do a filter that will trigger if a particular group is listed in the Newsgroups: header.

In the filters dialog, there is a setting for "Custom", but for the most part, I think it's limited to checking specific header entries.

Although I've noted annoyance at the limitations of what can be done with filters, the reality is that I think changes will never show up in Seamonkey. Anything that comes is going to have to originate in Thunderbird, and I've seen little indication over a lot of years that the TB developers have any interest in trying to make any significant changes there.

That said, I know that there's a Thunderbird extension called FiltaQuilla https://addons.thunderbird.net/en-US/seamonkey/addon/filtaquilla/. I've never tried it, and have no idea if it will run in Seamonkey, or not. That might give you a little more capacity, but a quick check indicates it's more mail-focused than anything that will change much in handling of news messages.

Realistically, if you want more filters handling with news than you're already seeing with Seamonkey, you'll probably need to look for other news clients. And even then, some of what you're asking for is likely not to be offered in any news client.

Smith



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