Rake example for making a migration script

gistfile1.txt

$ rake "mysql_migration[old.domain.com, new.domain.com]"

REPLACE ME WITH SQL STATEMENTS for old.domain.com AND new.domain.com
LIKE THIS 
UPDATE wp_options SET option_value = replace(option_value, 'http://www.old-domain.com', 'http://www.new-domain.com') WHERE option_name = 'home' OR option_name = 'siteurl';

rakefile

task :mysql_migration, :arg1, :arg2 do |t, args|
  puts "REPLACE ME WITH SQL STATEMENTS for #{args[:arg1]} AND #{args[:arg2]}"
  puts "LIKE THIS " 
  puts "UPDATE wp_options SET option_value = replace(option_value, 'http://www.old-domain.com', 'http://www.new-domain.com') WHERE option_name = 'home' OR option_name = 'siteurl';"
end