cnndraw.rb

#!/usr/bin/env ruby

exit unless ARGV.length == 3

words = File.new ARGV[0]
labels = Hash.new
i = 1

words.each_line do |line|
	word = line.split ","
	labels[i.to_s] = word[0]
	i = i + 1
end

draw = ""
x = 15
y = 30
separation = 50
bar_width = 150
bar_height = 16
STDIN.each_line do |line|
	print line
	args = line.split " "
	break if args[0] == 'elapsed'
	for i in 0..(args.length / 2 - 1)
        frac_bar_width = (args[i * 2 + 1].to_f * bar_width).to_i + x
        draw += sprintf("-fill none -strokewidth 1 -stroke DodgerBlue -draw \"rectangle %d,%d,%d,%d\" ", x, y, bar_width+x, y + bar_height)
        draw += sprintf("-fill DodgerBlue -draw \"rectangle %d,%d,%d,%d\" -strokewidth 0 -stroke none ", x, y, frac_bar_width, y + bar_height)
        draw += sprintf("-fill white -pointsize 36 -annotate +%d+%d \"%s\" ", x, y , labels[args[i * 2]])
		y += separation
	end
end
%x[#{sprintf("convert %s %s%s", ARGV[1], draw, ARGV[2])}]