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# Input filter for data files, usable from plot or splot
#
set title "Extract desired lines from unsorted input using\n"."plot .. if (<expression>)"
set margins 15,5,12
unset tics
set xtics nomirror scale 0.0, 0.0
set xtics rotate by -90
unset border
set offsets 0,0,0, graph .1
set style data linespoints
LC = 7
DATA = "energy_circles.dat"
LIST = "Coal Oil Gas Nuclear Renewable"
plot for [type in LIST] DATA using (int($0)/6):7:xticlabel(3) \
lc (LC=LC+1) lw 2 pt 6 pi -1 title type." " at beg \
if (strcol(4) eq type)
pause -1 "<cr> to continue"
reset
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