diff options
| -rw-r--r-- | railties/guides/source/command_line.textile | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/railties/guides/source/command_line.textile b/railties/guides/source/command_line.textile index ad36c6532e..5497445fcb 100644 --- a/railties/guides/source/command_line.textile +++ b/railties/guides/source/command_line.textile @@ -55,7 +55,7 @@ INFO: This output will seem very familiar when we get to the +generate+ command. h4. +rails server+ -Let's try it! The +rails server+ command launches a small web server named WEBrick which comes bundled with Ruby. You'll use this any time you want to view your work through a web browser. +The +rails server+ command launches a small web server named WEBrick which comes bundled with Ruby. You'll use this any time you want to view your work through a web browser. INFO: WEBrick isn't your only option for serving Rails. We'll get to that in a later section. @@ -65,7 +65,7 @@ Without any prodding of any kind, +rails server+ will run our new shiny Rails ap $ cd commandsapp $ rails server => Booting WEBrick -=> Rails 3.0.0 application starting in development on http://0.0.0.0:3000 +=> Rails 3.1.0 application starting in development on http://0.0.0.0:3000 => Call with -d to detach => Ctrl-C to shutdown server [2010-04-18 03:20:33] INFO WEBrick 1.3.1 @@ -75,6 +75,8 @@ $ rails server With just three commands we whipped up a Rails server listening on port 3000. Go to your browser and open "http://localhost:3000":http://localhost:3000, you will see a basic Rails app running. +You can also use the alias "s" to start the server: <tt>rails s</tt>. + h4. +rails generate+ The +rails generate+ command uses templates to create a whole lot of things. You can always find out what's available by running +rails generate+ by itself. Let's do that: @@ -237,7 +239,7 @@ dependency model create test/unit/high_score_test.rb create test/fixtures/high_scores.yml exists db/migrate - create db/migrate/20081217071914_create_high_scores.rb + create db/migrate/20100209025147_create_high_scores.rb </shell> The generator checks that there exist the directories for models, controllers, helpers, layouts, functional and unit tests, stylesheets, creates the views, controller, model and database migration for HighScore (creating the +high_scores+ table and fields), takes care of the route for the *resource*, and new tests for everything. @@ -267,11 +269,13 @@ h4. +rails console+ The +console+ command lets you interact with your Rails application from the command line. On the underside, +rails console+ uses IRB, so if you've ever used it, you'll be right at home. This is useful for testing out quick ideas with code and changing data server-side without touching the website. +You can also use the alias "c" to invoke the console: <tt>rails c</tt>. + If you wish to test out some code without changing any data, you can do that by invoking +rails console --sandbox+. <shell> $ rails console --sandbox -Loading development environment in sandbox (Rails 3.0.0) +Loading development environment in sandbox (Rails 3.1.0) Any modifications you make will be rolled back on exit irb(main):001:0> </shell> @@ -280,6 +284,8 @@ h4. +rails dbconsole+ +rails dbconsole+ figures out which database you're using and drops you into whichever command line interface you would use with it (and figures out the command line parameters to give to it, too!). It supports MySQL, PostgreSQL, SQLite and SQLite3. +You can also use the alias "db" to invoke the console: <tt>rails db</tt>. + h4. +rails plugin+ The +rails plugin+ command simplifies plugin management; think a miniature version of the Gem utility. Let's walk through installing a plugin. You can call the sub-command +discover+, which sifts through repositories looking for plugins, or call +source+ to add a specific repository of plugins, or you can specify the plugin location directly. @@ -306,7 +312,7 @@ $ rails runner "Model.long_running_method" h4. +rails destroy+ -Think of +destroy+ as the opposite of +generate+. It'll figure out what generate did, and undo it. Believe you-me, the creation of this tutorial used this command many times! +Think of +destroy+ as the opposite of +generate+. It'll figure out what generate did, and undo it. <shell> $ rails generate model Oops @@ -343,12 +349,12 @@ About your application's environment Ruby version 1.8.7 (x86_64-linux) RubyGems version 1.3.6 Rack version 1.1 -Rails version 3.0.0 -Active Record version 3.0.0 -Action Pack version 3.0.0 -Active Resource version 3.0.0 -Action Mailer version 3.0.0 -Active Support version 3.0.0 +Rails version 3.1.0 +Active Record version 3.1.0 +Action Pack version 3.1.0 +Active Resource version 3.1.0 +Action Mailer version 3.1.0 +Active Support version 3.1.0 Middleware ActionDispatch::Static, Rack::Lock, Rack::Runtime, Rails::Rack::Logger, ActionDispatch::ShowExceptions, ActionDispatch::RemoteIp, Rack::Sendfile, ActionDispatch::Callbacks, ActionDispatch::Cookies, ActionDispatch::Session::CookieStore, ActionDispatch::Flash, ActionDispatch::ParamsParser, Rack::MethodOverride, ActionDispatch::Head Application root /home/foobar/commandsapp Environment development @@ -437,7 +443,7 @@ Successfully installed mongrel-1.1.5 Installing RDoc documentation for mongrel-1.1.5... $ rails server mongrel => Booting Mongrel (use 'rails server webrick' to force WEBrick) -=> Rails 3.0.0 application starting on http://0.0.0.0:3000 +=> Rails 3.1.0 application starting on http://0.0.0.0:3000 ... </shell> @@ -581,7 +587,7 @@ You can list all the timezones Rails knows about with +rake time:zones:all+, whi h5. +tmp:+ Temporary files -The tmp directory is, like in the *nix /tmp directory, the holding place for temporary files like sessions (if you're using a file store for files), process id files, and cached actions. The +tmp:+ namespace tasks will help you clear them if you need to if they've become overgrown, or create them in case of deletions gone awry. +The tmp directory is, like the *nix /tmp directory, the holding place for temporary files like sessions (if you're using a file store for files), process id files, and cached actions. The +tmp:+ namespace tasks will help you clear them if you need to if they've become overgrown, or create them in case of deletions gone awry. h5. Miscellaneous Tasks |