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#!/bin/sh
#
# timeplot -- plot data on fetchmail release intervals
#
#
# Get data from the NEWS file
timeseries | awk >/tmp/timeplot$$ '
START {maxdiff = 0;}
/^[#%]/ {next;}
{days[count++] = $6;}
END {
for (i = 0; i < count-1; i++)
{
diffs[i] = days[i] - days[i + 1];
if (maxdiff < diffs[i])
maxdiff = diffs[i];
}
for (i = 0; i <= maxdiff; i++)
freq[i] = 0;
for (i = 0; i < count - 1; i++)
{
freq[diffs[i]]++;
}
for (i = 0; i <= maxdiff; i++)
printf("%d %d\n", i, freq[i]);
}
'
gnuplot >time.png - <<EOF
set xlabel "Release interval (days)"
set ylabel "Interval frequency"
plot '/tmp/timeplot$$' using 1:2 \
title "Release interval frequency"
pause 9999
EOF
rm -f /tmp/time*
# timeplot ends here
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