$rvm use ruby-2.1.2
Using /Users/bparanj/.rvm/gems/ruby-2.1.2
~/projects/openbay $rvm gemset use openbay
Using ruby-2.1.2 with gemset openbay
$cat .ruby-version
cat: .ruby-version: No such file or directory
$rvm --ruby-version use 2.1.2
Using /Users/bparanj/.rvm/gems/ruby-2.1.2
$rvm --ruby-version use 2.1.2@openbay
Using /Users/bparanj/.rvm/gems/ruby-2.1.2 with gemset openbay
.ruby-version is not empty, moving aside to preserve.
~/projects/openbay $cat .ruby-version
ruby-2.1.2
$cat .ruby-gemset
openbay
