File talk:Google News stories mentioning Wikipedia.png

The code

#!/bin/sh

TITLE="Google News stories mentioning Wikipedia"
FILE=`echo "$TITLE" | sed 's/\ /_/g'`.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:-googlenews.dat}"  > ${TMP}

gnuplot <<_EOF_ || exit 1

set size .67,.5
set pointsize .5

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

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

set xtics (     "Jun\n2003\n" 0, \
                "Jul" 1, \
                "Aug" 2, \
                "Sep" 3, \
                "Oct" 4, \
                "Nov" 5, \
                "Dec" 6, \
                "Jan\n2004\n" 7, \
                "Feb" 8, \
                "Mar" 9, \
                "Apr" 10, \
                "May" 11, \
                "Jun" 12, \
                "Jul" 13, \
                "Aug" 14, \
                "Sep" 15)




plot '${TMP}' using 3 title '' with lines \
        , '' using 3 title '' with points 3 \



_EOF_