[Arnaud@TARDIS ~/Sites/arnaud scroll]$ sudo !!
sudo gem list --all
Password:

*** LOCAL GEMS ***

bigdecimal (1.2.0)
bundler (1.3.5)
bundler-unload (1.0.1)
io-console (0.4.2)
json (1.7.7)
minitest (4.3.2)
psych (2.0.0)
rake (10.0.4, 0.9.6)
rdoc (4.0.0)
rubygems-bundler (1.2.0)
rvm (1.11.3.8)
test-unit (2.0.0.0)