Sean's Blog » gem http://seanbehan.com Web Programming, Ruby on Rails, Wordpress, PHP from Burlington, Vermont Wed, 18 Jan 2012 21:44:54 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Running Gem Server to View Docs for Ruby Libraries on Localhost http://seanbehan.com/ruby/running-gem-server-to-view-docs-for-ruby-libraries-on-localhost/ http://seanbehan.com/ruby/running-gem-server-to-view-docs-for-ruby-libraries-on-localhost/#comments Thu, 09 Sep 2010 17:58:56 +0000 bseanvt http://seanbehan.com/?p=1177 
gem server

will boot up documentation on port 8808 by default pass it the -p flag followed by the port number to change. 

gem server -p3000
]]> http://seanbehan.com/ruby/running-gem-server-to-view-docs-for-ruby-libraries-on-localhost/feed/ 0 Gem Information with Gem List http://seanbehan.com/programming/gem-information-with-gem-list/ http://seanbehan.com/programming/gem-information-with-gem-list/#comments Thu, 06 Aug 2009 18:46:09 +0000 bseanvt http://seanbehan.com/?p=487

If you want to get version information about a gem the easiest way to do it is with this command

gem list <gem name>

For example

gem list activemerchant

will output the activemerchant versions I have installed. You can pass only part of the name like

gem list a

get the names of all gems (and versions) that start with “a”. There are a lot more options so here is a link to the gem command reference http://rubygems.org/read/chapter/10

The commands here are useful if you’ve installed a gem but the version you’ve configured in your environment.rb file is different. To quickly grab the right version, this command is pretty handy.

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