ERROR AND/OR CORRUPTED GEM

ERROR AND/OR CORRUPTED GEM

pI'm receiving an error when using the gem install rspec command, I'm new
at programming and it seems like whatever has gone wrong is over my head.
Any advice or suggestions are greatly appreciated./p pRuby -v ruby 1.8.7
(2012-02-08 patchlevel 358) [universal-darwin12.0]/p pRVM -v rvm 1.21.20
(stable)/p pThe problem: Whether I type gem install rspec, gem -v, which
gem, gem list here is the message: /p
p/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/config_file.rb:221:in
coderead': Is a directory - /Users/JTee/.gemrc (Errno::EISDIR) from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/config_file.rb:221:in/codeload_file'
from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/config_file.rb:168:in
codeinitialize' from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems.rb:384:in/codenew'
from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems.rb:384:in
codeconfiguration' from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems.rb:634:in/codepath'
from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/source_index.rb:68:in
codeinstalled_spec_directories' from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/source_index.rb:58:in/codefrom_installed_gems'
from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems.rb:881:in
codesource_index' from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/gem_path_searcher.rb:81:in/codeinit_gemspecs'
from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/gem_path_searcher.rb:13:in
codeinitialize' from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems.rb:839:in/codenew'
from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems.rb:839:in
codesearcher' from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems.rb:838:in/codesynchronize'
from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems.rb:838:in
codesearcher' from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems.rb:478:in/codefind_files'
from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems.rb:1103
from /usr/bin/gem:8:in `require' from /usr/bin/gem:8/p