What is Rakefile in Ruby?

What is Rakefile in Ruby?

Rake is a tool you can use with Ruby projects. It allows you to use ruby code to define “tasks” that can be run in the command line. Rake can be downloaded and included in ruby projects as a ruby gem. Once installed, you define tasks in a file named “Rakefile” that you add to your project.

What is the purpose of the Rakefile available in the demo directory in Ruby?

What is the purpose of the rakefile available in the demo directory in Ruby? The purpose of this simple question is to make sure a developer is familiar with test-driven development. A beginner may not have dealt with this file yet.

Where do I put Rake tasks?

Custom rake tasks have a . rake extension and are placed in Rails. root/lib/tasks .

How do I list a Rake task?

You can get a list of Rake tasks available to you, which will often depend on your current directory, by typing rake –tasks . Each task has a description, and should help you find the thing you need.

What is rake and Rakefile?

Rake is a Make-like program implemented in Ruby. Tasks and dependencies are specified in standard Ruby syntax. Rake has the following features: Rakefiles (rake’s version of Makefiles) are completely defined in standard Ruby syntax. No XML files to edit.

How do you make a Rakefile?

Simply create a new file and name it as task. rake. Normally we put the rake task in directory lib/tasks. But you can put it anywhere you like.

What is the purpose of Rakefile?

rake files in the lib/tasks folder of your Rails project. It contains several pre-defined actions (named tasks) that you could perform on the Rails project. If you run rake -T , it will show you a list of all available tasks.

How do I run a rake task in Ruby on Rails?

How do I run this rake file in terminal/console?…In rails 4.2 the above methods didn’t work.

1. Go to the Terminal.
2. Change the directory to the location where your rake file is present.
3. run rake task_name.
4. In the above case, run rake iqmedier – will run only iqmedir task.
5. run rake euroads – will run only the euroads task.

What is the difference between rake and Ruby?

rake is a Make-like program implemented in Ruby. rails is a web framework, which also has some rake tasks. This means that you can have a ruby program with rake but without rails, but not the other way around. By itself, rake will be faster because you don’t need to load the whole rails application.

How do I run a Rake locally?

Go to Websites & Domains and click Ruby. After gems installation you can try to run a Rake task by clicking Run rake task. In the opened dialog, you can provide some parameters and click OK – this will be equivalent to running the rake utility with the specified parameters in the command line.

How do I run a Rake command?

Run rake –tasks on the terminal….In rails 4.2 the above methods didn’t work.

1. Go to the Terminal.
2. Change the directory to the location where your rake file is present.
3. run rake task_name.
4. In the above case, run rake iqmedier – will run only iqmedir task.
5. run rake euroads – will run only the euroads task.

How do I install Rakefile?

Just open the terminal and write the following installation command:

1. $ sudo apt-get install ruby Copy.
2. $ gem install rake Copy.
3. $ rake –version Copy.
4. $ mkdir ~/test-rake $ cd ~/test-rake $ rake rake aborted!

How do I include a Ruby file in a rakefile?

Any ruby file (including other rakefiles) can be included with a standard Ruby require command. The rules and declarations in the required file are just added to the definitions already accumulated. Because the files are loaded before the rake targets are evaluated, the loaded files must be “ready to go” when the rake command is invoked.

Where do I put a rake file in rails?

Additional rake files (with the file extension “ .rake ”) may be placed in rakelib directory located at the top level of a project (i.e. the same directory that contains the main Rakefile ). Also, rails projects may include additional rake files in the lib/tasks directory.

What happens if I move a rakefile to a different directory?

For example, if a Rakefile resides in the project/ directory, moving deeper into the project’s directory tree will not have an adverse effect on rake tasks: As far as rake is concerned, all tasks are run from the directory in which the Rakefile resides.

Where does rake look for a rakefile?

By default, rake will look for a Rakefile in your current directory. The next section provides an example Rakefile that defines a few tasks. Here is an example Rakefile that has some basic procedures for building and installing a Debian package .deb. Just run rake inside the directory with the Rakefile.