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gem_require's Introduction

GemRequire

gem_require is a Rubygems plugin which provides a cheap way to ensure that a gem is installed.

Install it like so:

$ gem install gem_require
Successfully installed gem_require-0.0.3
1 gem installed

Now you can use "gem require" in place of "gem install". It's similar, except that it short-circuits if you already have the required gem installed:

$ gem require heroku
heroku (1.11.0) is already installed

If you want to ensure that you're on the bleeding edge, use the "--latest" option:

$ gem require --latest heroku
Installing heroku (1.14.6) ...
Installed heroku-1.14.6

Of course, if you already have the latest version, there's no need to re-install it:

$ gem require --latest heroku
heroku (1.14.6) is already installed

Enjoy.

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