Aug 30, 2016 · Gem Usage. RubyGems is very similar to apt-get, portage, and yum in functionality. Installation: gem install mygem Uninstallation: gem uninstall mygem Listing installed gems: gem list --local Gem Package Building. The gem command may also be used to build and maintain .gemspec and .gem files. Build .gem from a .gemspec file: gem build mygem.gemspec

May 5, 2011 · I have several versions of a Ruby gem: $ gem list rjb (1.3.4, 1.3.3, 1.1.9) How can I remove old versions but keep the most recent?

Sep 28, 2013 · kirti@kirti-Aspire-5733Z:~$ gem help commands GEM commands are: build Build a gem from a gemspec cert Manage RubyGems certificates and signing settings check Check a gem repository for added or missing files cleanup Clean up old versions of installed gems in the local repository contents Display the contents of the installed gems dependency ...

Mar 3, 2011 · gem query --local and. ruby -S gem list --local list 69 entries. While. ruby -e 'puts Gem::Specification.all_names' return 82. I used wc -l to get the numbers. Not sure if that is the right way to check. Tried to redirect the output to text files and diffed but that didn't help - will need to compare manually one by one.

Mar 3, 2013 · What does ~> mean in the context of Ruby gem depenedencies? For example, when opening a legacy project in the RubyMine IDE, I get this message. Gems required for project are not attached: arel (~> 2.0.2), rspec-expectation (~> 2.5.0)... I've seen this tilde-greater-than notation elsewhere in the Ruby world (it's not specific to RubyMine).

Feb 5, 2012 · gem info will return at most one gem; gem (list|search) might return multiple gems. gem info seems ideal if you know what you are looking for; gem (list|search) might helpful when there's uncertainty of the gem name. Also gem list describes itself for search local gems despite it being capable of remote operations.

Jan 24, 2017 · anujm@test:~$ dpkg -l |grep -i rubygem ii rubygems 1.3.5-1ubuntu2 package management framework for Ruby libraries/applications ii rubygems-lwes 0.8.2-1323277262 LWES rubygems ii rubygems1.8 1.3.5-1ubuntu2 package management framework for Ruby libraries/applications ii rubygems1.9 1.3.5-1ubuntu2 package management framework for …

Dec 5, 2010 · File > New Project > New Gem. It is that easy. But I want to make some notes about this approach: For debugging, RubyMine will use the Fast Debugger gem, ruby-debug-ide. I know that most people now are using Pry with Byebug, but ruby-debug-ide is an interface which glues ruby-debug to IDEs like Eclipse (RDT), NetBeans and RubyMine.

Jul 3, 2015 · By convention, there is a folder inside the gem called ext/gem_name which contains a Ruby file extconf.rb that passes information to the compiler (technically it creates a make file). In addition the C source files are put there as well. MRI Ruby is implemented as a very "flat" structure in C, basically consisting of a large number of C functions.

<ruby-gem> -h See the installation bin path of your ruby gem. which <ruby-gem> Share. Improve this answer.