A Useful Command to Check if a Gem Is Loaded in Your Bundler Environment - FastRuby.io | Rails Upgrade Service
08-May-2025 17
Learn how to check if a Ruby gem is loaded in your Bundler environment using a simple, regex-based command. Great for debugging, scripting, or environment checks.In this article, we will discuss what this command does, what exactly it’s checking for, and its limitations.
Recently while working on upgrading our FastRuby.io web application, we ran the following command, after encountering an error regarding the mutex_m gem requirement, to confirm whether the gem was already loaded in the project.
A Useful Command to Check if a Gem Is Loaded in Your Bundler Environment - FastRuby.io | Rails Upgrade Service #ruby #rubydeveloper #rubyonrails #Useful #Command #Check #Loaded #Bundler #Environment #FastRuby.io #Rails #Upgrade #Service #bundler #environment #gem #service #upgrade https://rubyonrails.ba/link/a-useful-command-to-check-if-a-gem-is-loaded-in-your-bundler-environment-fastruby-io-rails-upgrade-service
