rake pass multiple arguments to task
require 'optparse'
task :add do
options = {}
OptionParser.new do |opts|
opts.banner = "Usage: rake add [options]"
opts.on("-o", "--one ARG", Integer) { |num1| options[:num1] = num1 }
opts.on("-t", "--two ARG", Integer) { |num2| options[:num2] = num2 }
end.parse!
puts options[:num1].to_i + options[:num2].to_i
exit
end