Best tutorial I've found on this topic. Thank you. I've gotten the farthest with your notes. Should the dylib references not be in "bin" ? I'm getting the following error and would appreciate your guidance ...
/Users/doejohn/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/siteruby/2.0.0/rubygems/coreext/kernelrequire.rb:45:in `require': dlopen(/Users/doejohn/.rvm/gems/ruby-2.0.0-p0/gems/ruby-oci8-2.1.6/lib/oci8lib200.bundle, 9): Library not loaded: /ade/b/2649109290/oracle/rdbms/lib/libclntsh.dylib.11.1 (LoadError)
Referenced from: /Users/doejohn/.rvm/gems/ruby-2.0.0-p0/gems/ruby-oci8-2.1.6/lib/oci8lib200.bundle
Reason: image not found - /Users/doejohn/.rvm/gems/ruby-2.0.0-p0/gems/ruby-oci8-2.1.6/lib/oci8lib200.bundle
from /Users/doejohn/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/siteruby/2.0.0/rubygems/coreext/kernelrequire.rb:45:in require'
from /Users/doejohn/.rvm/gems/ruby-2.0.0-p0/gems/ruby-oci8-2.1.6/lib/oci8.rb:69:in<top (required)>'
from /Users/doejohn/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/siteruby/2.0.0/rubygems/coreext/kernelrequire.rb:110:in require'
from /Users/doejohn/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:110:inrescue in require'
from /Users/doejohn/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/siteruby/2.0.0/rubygems/coreext/kernel_require.rb:35:in require'
from extract-test.rb:1:in<main>'
Also, your instructions are optimized for Mac, I presume, but what are your thoughts on the instructions @ the github project?
http://ruby-oci8.rubyforge.org/en/file.install-instant-client.html