File talk:Wikipedia-onthe-web.png

The code

#!/bin/sh

TITLE="Mentions of Wikipedia on websites outside Wikipedia"
FILE="Wikipedia-onthe-web.png"

#--


TMP="_gpdata_$$"
trap "/bin/rm -f ${TMP} ; exit" 0

sed     's/^[   ]*//
        s/,/ /g
        s/Jan /January /
        s/Feb /February /
        s/Mar /March /
        s/Apr /April /
        s/Jun /June /
        s/Jul /July /
        s/Aug /August /
        s/Sep /September /
        s/Oct /October /
        s/Nov /November /
        s/Dec /December /
        s/[     ][       ]*/ /g
        /^[     ]*$/d' ${1:-wikiweb.dat}  > ${TMP}

gnuplot <<_EOF_ || exit 1

set timefmt '%d %B %Y'
set xdata time
set format x "%b\n%y"

set size .67,.5

set title "${TITLE}"
set xlabel " "
set ylabel "Millions"
set grid ytics noxtics
#set logscale y
#set yrange [0:100]

set terminal png color small
set output '${FILE}'

set pointsize .5

plot '${TMP}' using 1:(\$4/1000) title '' with lines \
        , '' using 1:(\$4/1000) title '' with points 3 \



_EOF_

exit 0