Rake task arguments example with evil hacks

arg_example.rb

# From: http://itshouldbeuseful.wordpress.com/2011/11/07/passing-parameters-to-a-rake-task/

def task_arg(var)
  task var.to_sym {}
end

task :hello do
  name = ARGV.last # Get last arg (ARGV.first is task name)
  abort "I can't say hello to nobody. :(" if name.empty?
  puts "Hello #{name}!"
  task_arg(name)
end