Adds brew to PATH and adds is_online function

.bash_profile

@@ -1,17 +1,21 @@
-# bash profile settings for William Carroll
+export PATH=$HOME/bin:/usr/local/bin:/opt/local/bin:/opt/local/sbin:$PATH
 
-# welcome message
-echo "Hello, welcome back, William"
 
-# change bash prompt
-PS1='$ '
+echo "Welcome back, $USER"
 
-# input mode to Vi
+# use vi bindings for terminal input
 set -o vi
 
-# shortcuts
-alias h="history"
-alias vi="vim"
-alias c="clear"
+# aliases
+source $HOME/pc_settings/.w_aliases.sh
+
+# functions
+source $HOME/pc_settings/.w_functions.sh
+
+# run cmatrix command for 3 seconds before exiting
+#. $HOME/pc_settings/.matrix_intro.sh
+
+# syntax highlighting for CLI; if not installed, run the following command
+# brew install zsh-syntax-highlighting
+source /usr/local/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
 
-export EDITOR=/usr/bin/vim