Procedure to create Ruby execution environment locally

Procedure to create Ruby execution environment locally

How to allow .rb files to be executed locally.

Ruby download

From the official Ruby page Select the recommended version (=>) and install

https://rubyinstaller.org/downloads/

Ruby + Devkit 2.6.6-1 (x64) is 130MB.

Installation execution

** ▼ Check I accept the License **

** ▼ Click Install **

** ▼ Click Next **

** ▼ Click Finish **

** ▼ Enter 1 and 3 and Enter **

▼Enter

Installation is complete.

Confirmation of installation

ruby -v If it is installed, the version will be displayed.

(↑ Use gitbush)

Create and run .rb files

command

#Go to desktop
$ cd ~/desktop

#.rb file creation
$ touch index.rb

#launch vim editor
$ vi index.rb

The vim editor will be launched, so enter the following

index.rb

puts "Hello"
puts 1+2*3

"I": Insert mode "Esc": Exit from insert mode ": Wq": Save and close

How to use the vim editor

command

#Execute ruby (OK if the contents are output)
$ ruby index.rb
Hello
7

#File deletion
$ rm index.rb

that's all. It took longer than I expected to download, but it's relatively fast after that.