subl_mac

cd 
mkdir bin
sudo ln -s "/Applications/Sublime Text 2.app/Contents/SharedSupport/bin/subl" ~/bin/subl

cd $HOME                  // this will get you back to home directory
vim .bash_profile or .bashrc   // this will open your .bash_profile file

export PATH=$PATH:~/bin

:wq   // saves and close file
exit  // exits terminal

source .bashrc

Just open a file with

subl file_name