Gem Command
The gem command is the primary tool for managing Ruby packages, known as gems. It allows developers to easily install, update, search for, and manage libraries that extend Ruby's functionality. Mastering these commands is crucial for efficient Ruby development.
Ruby Gem Management Commands
Package Installation and Management
Use these commands to install, uninstall, and manage specific Ruby gems.
# To install a package:
gem install <package>
# To install a package in user space:
gem install --user-install <package>
# To install a specific version of a package:
gem install <package> -v <version>
# To uninstall a package:
gem uninstall <package>
Package Discovery and Information
Find and get details about available Ruby gems.
# To search for a package:
gem search <package>
# To show details of a package:
gem info <package>
# To list local packages:
gem list --local
Package Updates and Help
Keep your gems up-to-date and access command documentation.
# To upgrade a package:
gem update <package>
# To show help on a command:
gem help <command>
These commands form the backbone of Ruby's package management system, enabling developers to leverage a vast ecosystem of libraries for their projects.