I have been searching high and low for a TextEdit word count script and I found NanoCount which actually does I needed. However, I am used to using the right mouse button to find out the number of words in a text file. (You are right. I was a Windows user.)
Then I discovered Automator which comes with Mac OS X.


I finally managed to connect to iPhone internet tethering via Bluetooth on a MacBook Pro. It was pretty easy after performing the latest Software Update.