jcromartie · November 15, 2011 13:37 · judofyr · Nov 15, 2011 · jcromartie · Nov 15, 2011
diff --git a/spark.rb b/spark.rb
 #!/usr/bin/env ruby
 # -*- coding: utf-8 -*-

 # prints a sparkline in the terminal using the supplied list of numbers
 # examples:
 #   spark.rb 10 20 30 100 90 80
 #   spark.rb 1 2 0.4 0.1 1.3 0.7

 @ticks = %w[▁ ▂ ▃ ▄ ▅ ▆ ▇]
 values = ARGV.map { |x| x.to_f }
 min, range, scale = values.min, values.max - values.min, @ticks.length - 1
 puts values.map { |x| @ticks[(((x - min) / range) * scale).round] }.join
	#!/usr/bin/env ruby
	# -- coding: utf-8 --

	# prints a sparkline in the terminal using the supplied list of numbers
	# examples:
	# spark.rb 10 20 30 100 90 80
	# spark.rb 1 2 0.4 0.1 1.3 0.7

	@ticks = %w[▁ ▂ ▃ ▄ ▅ ▆ ▇]
	values = ARGV.map { \|x\| x.to_f }
	min, range, scale = values.min, values.max - values.min, @ticks.length - 1
	puts values.map { \|x\| @ticks[(((x - min) / range) * scale).round] }.join