Bash dot files

Login:

source /etc/profile
if [ -f ~/.bash_profile ]; then
   source ~/.bash_profile
   return
fi 

if [ -f ~/.bash_login ]; then 
   source ~/.bash_login
   return
fi

if [ -f ~/.bashrc ]; then 
   source ~/.bashrc
fi

if [ -f ~/.profile ]; then 
   source ~/.profile
fi