Re: [Ifile-discuss] patch to add classifying threshold

[xavier dutoit]

Hi Paolo,

I did implement something roughly similar on my MDA, but outside of 
ifile (I take the first two lines of the standard output result and do 
the diff). Wasn't it possible to do that with procmail ?

Do you use more than two categories (spam, ham) ? In that case how do 
you deal this all the in-between categories (A, B, C, between A and B... 
between C and B), as all the possible combinations becomes quickly 
unmanagable, isn't it ?

BTW, I use fetchmail to take my emails from my accounts and I have a 
custom MDA (a shell script that uses ifile and writes the message into 
the proper Maildir with the proper name). It still beta and I'd like to 
add a few features. Anyone interested by a doc and the code ?

Xavier

P.S. The patch file Paolo mention is downloadable at
http://savannah.nongnu.org/patch/?func=detailitem&item_id=2990

Paolo wrote:

> Hi all,
>
> seems that ifile dev has stopped a while ago... anyone still using it?
> well, for those interested, I've submitted a patch to add an 'in-between'
> response, ie, from patch description:
>
> "this patch adds a -T x (--threshold) option, such that when you classify 
> and have at least 2 classes - eg spam,ham - for the top 2 ratings, 
> if x>0 you get:
>
> ifile -T 20 -q msg
>
> Reading message from standard input...
> spam -78,04470873
> ham -79,89371347
> diff[spam,ham](%) 1,17
>
> and get an 'in between' response for the -q -c mode, if 
> R=(rating0-rating1)/(rating0+rating1), R*1000 < x:
>            [note the added comment for this ^^^ in patch browser]
>
> ifile -q -c -T 20 msg
>
> spam,ham
>
> ie 20 means 2% threshold."
> So eg you'd use a procmail(1) rules snippet like:
> ...
>
> :0w
> CLASS=| [filterchain] | ifile $IFOPTS -q -c -T 20
> :0:
> * CLASS ?? spam
> spam
> :0:
> * CLASS ?? ham
> ham
> :0:
> * CLASS ?? spam,ham
> maybe-spam
> :0:
> * CLASS ?? ham,spam
> maybe-ham
> :0:
> class-errors
>
>
> hope this is useful to somebody (as it is 4 me).
>
> -- paolo
>
> GPG/PGP id:0x21426690 kfp:EDFB 0103 A8D8 4180 8AB5  D59E 9771 0F28 2142 6690
>
>
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