ruby,

How to check Ruby version

Nov 11, 2021 · 1 min read · Post a comment
How to check Ruby version

There are multiple ways you could find out which Ruby version you are running on your local machine.

Prerequisites

  • Ruby environment

which command

$ which ruby

Example output:

/Users/devcoops/.rvm/rubies/ruby-3.0.0/bin/ruby

CLI

$ ruby -v

Example output:

ruby 3.0.0p0 (2020-12-25 revision 95aff21468) [x86_64-darwin21]

Ruby version management tools

Using RVM:

$ rvm current

Example output:

ruby-3.0.0

Using rbenv:

$ rbenv version

Example output:

3.0.0p0 (set by /Users/devcoops/.rbenv/version)

interactive Ruby

Step 1.

$ irb

Step 2.

RUBY_VERSION

Example output:

 => "3.0.0" 

package manager (gem)

$ gem env

Example output:

RubyGems Environment:
  - RUBYGEMS VERSION: 3.2.3
  - RUBY VERSION: 3.0.0 (2020-12-25 patchlevel 0) [x86_64-darwin21]
  ...

Conclusion

As always, hope this was helpful and If you know any other ways to check running or installed ruby version, please let me know. Feel free to leave a comment below and if you find this tutorial useful, follow our official channel on telegram.