spark
A simple Ruby port of https://github.com/holman/spark.
Usage
Ruby:
require 'spark'
Spark.draw(1,2,3,4,5,6,7,8) # => "▁▂▃▄▅▆▇█"Shell:
pjk@desktop:~$ sparkdraw 1,5,7,3,7,3
▁▅█▃█▃
pjk@desktop:~$ curl http://earthquake.usgs.gov/earthquakes/catalogs/eqs1day-M1.txt --silent | sed '1d' | cut -d, -f9 | sparkdraw
▁▁▁▂▂▁▂▁▁▄▄▆▁▁▁▁▁▆▂▁▁▁▆▂▂▁▆▁▁▂▁▂▂▁▁▂▁▆▂▁▆▁▁▁▁▂▁▁▁▂▁▁▂▂▂▁▁▂▁▁▁▂▁▂▄▁▁▁█▂▁▂▂█▁▂▁▁▁▁
pjk@desktop:~$ sparkdraw 2 4 8 16 32 64 128
▁▁▁▁▂▄█
== Copyright
Copyright (c) 2011 Pavel Kalvoda. See LICENSE.txt for further details.