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Re: Powerful regular expression.
Hmmpf,
I made a mistake ... the counting matches lines from the SAME mail.
The following is more accurate:
~/Mail/archive>cat spam* | awk 'BEGIN { header=0; body=0; count=0 } /^From:/ { if (header==0) { header=1; body=0; count=count+1} } /^$/ { if (header==1) { header=0; body=1; } } /remove[0-9-]*@|[tT]o be removed|chain letter|absolutely [Ff][Rr][Ee][Ee]|entrepreneur|Dear (Sir|Friend|Windows|Online|eBusiness)|1-[89]00|Visa/ { if (body==1) { body=0; matched=matched+1; } } END { printf("%d out of %d\n", matched, count); }'
1019 out of 2543
In other words, 2 out 5 only :/
I'll have to study patterns with the word 'money' in it I think... adding
'money' gives 1353 out of 2543. But that also results in a lot of
false positives (66 out of 2086).
--
Carlo Wood <carlo@alinoe.com>
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Spamfilter: spam magnet and regexp collector / blocker
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