rails common sense
/tasks/xx.rake
custom task
rake --tasks
rake -vT
http://railscasts.com/episodes/66-custom-rake-tasks
namespace :hbase do
desc "Pick a random user as the winner"
task :test => :environment do
puts "Winner"
end
desc "Pick a random product as the prize"
task :prize => :environment do
puts "Prize: #{pick(Product).name}"
end
desc "Pick a random prize and winner"
task :all => [:prize, :winner]
def pick(model_class)
model_class.find(:first, :order => 'RAND()')
end
end
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