#!/bin/sh
#
# growthplot -- plot the fetchmail population's growth as a function of time
#

# Get data from the NEWS file
timeseries >/tmp/growthplot$$
grep "^[0-9]" /tmp/growthplot$$ >/tmp/growthnumbers$$
sed '/^4.2.9/,$d' </tmp/growthnumbers$$ >/tmp/growthannounce$$

gnuplot <<EOF
set title "Fetchmail project growth history"
set xlabel 'Days since project start'
set ylabel 'Participants' 6	# Put it right over the Y axis
set key top left box

# First, plot total participants
plot [] [0:] '/tmp/growthnumbers$$' using 5:4 title "Both lists" with points 3

# Then, plot announce-list only starting from the Julian date of the split
replot '/tmp/growthannounce$$' using 5:3 title "fetchmail-announce" with points 1

# Finally, plot the developer list
replot '/tmp/growthannounce$$' using 5:2 title "fetchmail-friends" with points 2

pause 9999
EOF

rm -f /tmp/growth*