# president_heights_commands.txt
#
# Usage:
#  gnuplot < president_heights_commands.txt
#
set term png
set output 'president_heights_bar.png
set xlabel '<--- Index --->'
set ylabel '<--- Height (inches) --->'
set title 'Presidential Heights'
set grid
set yrange [0:80]
set boxwidth 0.8
set style fill solid
plot 'president_heights_data.txt' using 1 with boxes lc rgb 'blue'
quit