Run this line for Sublime Text 2:
ln -s /Applications/Sublime\ Text\ 2.app/Contents/SharedSupport/bin/subl /usr/local/bin/subl2
Use like:
subl2 .
Run this line for Sublime Text 3:
ln -s /Applications/Sublime\ Text.app/Contents/SharedSupport/bin/subl /usr/local/bin/subl3
Use like:
subl3 .