Quick intro to Ruby development tools

gistfile1.txt

Install RVM
Run in terminal: bash < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer)
Add to end profile: echo '[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm"
OR
edit and use utilities/rvm_install.sh: ./utilities/rvm_intstall.sh

Basic RVM Commands
http://beginrescueend.com/rvm/best-practices/
rvm -v                  #what version?
rvm help
rvm install 1.9.2       #install this version of MRI
rvm install jruby       #install latest version of jruby
rvm install macruby     #install latest version of mac ruby
rvm install 1.8.7       #install this version of MRI
rvm use 1.9.2 --default #use this version as default on system
rvm use <version>       #allow you to switch to any version
rvm list                #list all the VMs
rvm --rvmrc --create 1.9.2@projecta # create .rvmrc file in root directory of project with version and 
                                      gemset. entering directory triggers setup
rvm <version>                 #get ready for versions
rvm create gemset rwo1 rwo2   #create gemsets
rvm <version> rwo1            #switch to gemset

Basic Gems Commands
gem -v                  #what's the version
gem env gemdir          #identify gem directory
gem install rails       #install rails (also installs dependencies)
gem help                #help on-demand
gem help list           #how do I use thelist commmand
gem list                #list local gems (-l option is default)
gem list -l -d          #list the local gems with detail
gem query -r -n '^a'    #find all the remote gems that begin with a
gem search -r 'generator' #find all remote gems whose name contains generator