What is a ERB file?

ERB (Embedded RuBy) is a feature of Ruby that enables you to conveniently generate any kind of text, in any quantity, from templates. The templates themselves combine plain text with Ruby code for variable substitution and flow control, which makes them easy to write and maintain.

What language is ERB?

Ruby Language ERB ERB stands for Embedded Ruby, and is used to insert Ruby variables inside templates, e.g. HTML and YAML. ERB is a Ruby class that accepts text, and evaluates and replaces Ruby code surrounded by ERB markup.

What is Erb file in puppet?

Expand. Embedded Ruby (ERB) is a templating language based on Ruby. Puppet evaluates ERB templates with the template and inline_template functions. If you’ve used ERB in other projects, it might have had different features enabled.

What is <% in Ruby?

Code in <% %> (without equal) is executed “with no substitution back into the output” means you want to execute code WITHOUT any output, like a loop and the best part is, it can be used with a non ruby code.

How do I open an ERB file in Windows?

How to open file with ERB extension?

1. Get the Windows Notepad.
2. Update Windows Notepad to the latest version.
3. Associate Ruby ERB Script files with Windows Notepad.
4. Ensure that the ERB file is complete and free of errors.

What is JSON ERB?

json. erb is basically the raw json response but with some parts evaluated in ruby. For example, this is a valid json. erb, that produces valid json: { “status” : “success!” }

How do you comment on ERB?

erb is by definition “embedded ruby”, you can embed every ruby code between: <%= and the other: %> , typically all written in one line. In addition, ruby one-line comments start always with # , so the <%=# Comment %> style matches perfectly with both pure-ruby and erb styles for one-line comments.

What are Puppet templates?

Templates are written in a specialized templating language that generates text from data. Use templates to manage the content of your Puppet configuration files via the content attribute of the file resource type.

How does Puppet hiera work?

Hiera’s hierarchical lookups follow a “defaults, with overrides” pattern, meaning you specify common data one time, and override it in situations where the default won’t work. Hiera uses Puppet’s facts to specify data sources, so you can structure your overrides to suit your infrastructure.

Which character is giving comment in Ruby?

# character
Single-Line Comments The Ruby single-line comment begins with the # character and ends at the end of the line. Any characters from the # character to the end of the line are completely ignored by the Ruby interpreter. The # character doesn’t necessarily have to occur at the beginning of the line; it can occur anywhere.

What is in Ruby code?

It was designed and developed in the mid-1990s by Yukihiro “Matz” Matsumoto in Japan. Ruby is dynamically typed and uses garbage collection and just-in-time compilation. It supports multiple programming paradigms, including procedural, object-oriented, and functional programming.

How do you comment in rails?

Comments in Ruby begin with a hash mark ( # ) and continue to the end of the line, like this:

1. # This is a comment in Ruby.
2. # Display a prompt to the user puts “Please enter your name.” # Save the input they type and remove the last character (the enter keypress) name = gets.

What do you need to know about Erb templating?

An Introduction to ERB Templating. ERB (Embedded RuBy) is a feature of Ruby that enables you to conveniently generate any kind of text, in any quantity, from templates. Overview. ERB templates combine plain text with Ruby code for variable substitution and flow control, making them easy to write and maintain.

Which is an example of using Erb in Ruby?

Using ERB, actual Ruby code can be added to any plain text document for the purposes of generating document information details and/or flow control. A very simple example is this: More complex examples are given below. ERB recognizes certain tags in the provided template and converts them based on the rules below:

What are the different types of ERB courses?

TT (Tour Type): Type of tour completed by Soldier. Codes are as follows: – L = Long Tour – S = Short Tour – C = Combat – O = Operational (Non-combat) – R MOS producing courses are not listed on the ERB. Maximum of 15 military schools. Transaction updates are input at PSB/MPD/BCT level. Source documents include the DA Form 87, Certificate of

How does Erb copy text to generated document?

ERB copies the text portions of the template directly to the generated document, and only processes code that is identified by markers. Most ERB templates only use a combination of two tag markers, each of which cause the enclosed code to be handled in a particular way.