This is the number of mail messages I actually saved per month; so it exclude spam and cron junk, and also excludes news postings. It does include LJ comments, starting from mid 2002.
find ~/Library/Mail -name '*.emlx' -print0 | xargs -0 grep -h -m 1 ^Date: | perl -ne 'use Date::Parse; s/Date: //; @d = strptime($_); $y=$d[5]+1900; printf "%d %02d\n",$y,$d[4] if 1990<$y and $y<=2008;' | sort | uniq -c > messages-per-month gnuplot <<'END' set term aqua set size 0.8,0.4 plot 'messages-per-month' using ($2+($3-1)/12):1 title "Messages per month" with line END
If you don't use Apple Mail you'll need to change the find and grep commands, and if you have a different way of getting pictures out of gnuplot you'll need to specify a suitable output terminal.
Since we're all busy proving that we have too much time on our hands, here's mine (http://hercules.herts.ac.uk/~mjh/plotmail.gif) (green sent, red received, personal mail excluded after mid-2004, mailing lists and spam excluded).
Well you're all evidently more prolific correspondents than me (http://lethargic-man.livejournal.com/217612.html). Though not impossibly what I lack in number of emails I might make up in length of them...
(no subject)
Date: 2008-07-20 06:21 pm (UTC)I did produce this a while ago:
I finished my Ph.D. here and started working . | I started going out with
livredor
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97 98 99 00 01 02 03 04
This is, obviously, not up to date, but I'd have to filter out photos to get a meaningful figure for the later years...(no subject)
Date: 2008-07-20 07:50 pm (UTC)(no subject)
Date: 2008-07-21 06:26 pm (UTC)(no subject)
Date: 2008-07-20 10:00 pm (UTC)(no subject)
Date: 2008-07-23 09:15 pm (UTC)