Rake task to dump and load databases in rails

gistfile1.txt

namespace :db do
  desc "create db copy file"
  task :sgl_dump => :environment do
    system "cp #{Rails.root}/db/development.sqlite3 #{Rails.root}/db/#{Date.today.to_s.split('-').join}-devdb"
  end
  
  desc "load latest db file"
  task :sgl_load => :environment do
    puts "Are you sure you want over write your database? YES/NO"
    yn = STDIN.gets
    if yn.chomp == "YES" 
      filename = Dir.glob("#{Rails.root}/db/*-devdb").map{ |file| file.scan(/\d/).join('') }.max
      system "cp #{Rails.root}/db/#{filename}-devdb #{Rails.root}/db/development.sqlite3"
      puts "Many bits where harmed during this operation. Shame on you!"
    else
      puts "No bits were harmed during this operation. You so nice!"
    end
  end
    
end