私はLynda ruby on rails tutorialに従っています。「rake db:migrate」と入力するよう求められます。しかし、これは私が受け取ったエラーです。
lexi87$ rake db:migrate
rake aborted!
/Users/lexi87/Sites/simple_cms/db/migrate/20130107145627_create_users.rb:14: syntax error, unexpected $end, expecting keyword_end
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/gems/activesupport-3.2.9/lib/active_support/dependencies.rb:251:in `require'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/gems/activesupport-3.2.9/lib/active_support/dependencies.rb:251:in `block in require'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/gems/activesupport-3.2.9/lib/active_support/dependencies.rb:236:in `load_dependency'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/gems/activesupport-3.2.9/lib/active_support/dependencies.rb:251:in `require'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.9/lib/active_record/migration.rb:537:in `load_migration'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.9/lib/active_record/migration.rb:533:in `migration'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.9/lib/active_record/migration.rb:528:in `migrate'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.9/lib/active_record/migration.rb:720:in `block (2 levels) in migrate'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.9/lib/active_record/migration.rb:777:in `call'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.9/lib/active_record/migration.rb:777:in `ddl_transaction'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.9/lib/active_record/migration.rb:719:in `block in migrate'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.9/lib/active_record/migration.rb:700:in `each'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.9/lib/active_record/migration.rb:700:in `migrate'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.9/lib/active_record/migration.rb:570:in `up'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.9/lib/active_record/migration.rb:551:in `migrate'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.9/lib/active_record/railties/databases.rake:179:in `block (2 levels) in <top (required)>'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/bin/ruby_noexec_wrapper:14:in `eval'
/Users/lexi87/.rvm/gems/ruby-1.9.2-p320/bin/ruby_noexec_wrapper:14:in `<main>'
Tasks: TOP => db:migrate
(See full trace by running task with --trace)
「sites/simple_cms」であるはずのディレクトリ内にいます。rake をインストールし、「gem install bundle」と「bundle install」も実行しました。これをディレクトリで行い、次に「サイトディレクトリ」、さらにはホームディレクトリで行いました。違いはありません。