bundle:tldr:d889b

The command bundle gem ${gem_name} is used to create a new Ruby gem skeleton/template.

Here's a breakdown of what this command does:

1. bundle gem is the command itself. It is provided by the Bundler gem, a popular dependency management tool in Ruby.
2. ${gem_name} is a placeholder for the name of your gem. You need to replace this placeholder with the desired name of your gem when executing the command. For example, if you want to create a gem called "my_gem", you would replace ${gem_name} with my_gem.

When you run this command with the appropriate gem name, it will perform the following actions:

1. Create a new directory with the specified gem name.
2. Inside this directory, it will generate an initial directory structure and files needed for a typical Ruby gem project, including:
   • lib/${gem_name}.rb: the Ruby file where the main functionality of your gem will be implemented.
   • test/${gem_name}_test.rb: the test file where you can write automated tests for your gem.
   • ${gem_name}.gemspec: a specification file that defines your gem's metadata and dependencies.
   • .gitignore: a file that specifies which files and directories should be ignored by Git, a version control system commonly used in Ruby projects.
   • Gemfile and Gemfile.lock: files used by Bundler to manage dependencies.
   • Various other files and directories that are typically included in a Ruby gem project.

This command is useful to quickly set up the basic structure of a gem project, allowing you to start implementing your gem's functionality right away.