Ruby on Rails

No not the rails console!

ERB stands for Embedded Ruby!

You know when you do rails generate controller abc def

you get a file  def.html.erb

that's an ERB file, an Embedded Ruby file

The contents of that file get preprocessed , such that anything outside of <%..%>  gets outputted, and anything inside <%...%> gets executed and <%=....%> involves execution and a result outputted.

PHP has a similar concept.. PHP though also has a PHP.EXE file that you can run a file through and get the output.

I see it now, it's mentioned here 

https://stackoverflow.com/questions/980547/how-do-i-execute-ruby-template-files-erb-without-a-web-server-from-command-lin

C:\Ruby24-x64\bin>dir erb.* /s/b

C:\Ruby24-x64\bin\erb

C:\Ruby24-x64\bin\erb.cmd

C:\Ruby24-x64\bin>

C:\blah>type a.erb

<%= 5 %>

C:\blah>erb a.erb

5

C:\blah>

On Sunday, 25 February 2018 17:49:07 UTC, Mauro Locatelli wrote:

rails console?

Il 25 feb 2018 6:46 PM, "Robert Phillips" <robert.p...@gmail.com> ha scritto:

On Sunday, 25 February 2018 17:29:36 UTC, Hassan Schroeder wrote:

On Sun, Feb 25, 2018 at 9:08 AM, Robert Phillips
<robert.p...@gmail.com> wrote:

> Is there a command line ERB?

I suspect you're looking for "irb" -- Interactive Ruby.

No, ERB is not IRB.  ERB is called Embedded Ruby,  people often use it when they use Rails.

 

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