Update README.md

Author: csev

README.md

@@ -1,2 +1,80 @@
-# uninstall-python3
-A Simple Shell Script to Uninstall Python 3 versions from Mac OS/X
+# Uninstall Python3
+
+A simple shell script to Uninstall Python 3 versions from Mac OS/X.
+
+Of course we all want Python 3 everywhere - but sometimes we want to remove the older version and install
+the latest version - or just do a re-install from scratch.   
+
+There is no need to check out this repositoy - just grab the `uninstall-python3.sh` file and download it
+somewhere.
+
+The script is designed to function as a dry run so you can see all that it will do.   To run a dry run, do
+
+   bash uninstall-python3.sh
+
+Examine the output - make sure that it is moving only the expected files.  When you are convinced this will do what you expect run
+
+   bash uninstall-python3.sh | sudo bash -v
+
+ To verify the files are gone, you can re-run
+
+   bash uninstall-python3.sh
+
+ It should produce no output.
+
+ And then you can happily re-install Python 3!
+ 
+ # Sample Output
+ 
+ Here is the output of a sample run with the dry run first and the actual run second.  At the very
+ end we re-run a dry run to make sure things are gone.
+ 
+    $ bash uninstall-python3.sh
+    rm '/usr/local/bin/2to3'
+    rm '/usr/local/bin/2to3-3.6'
+    rm '/usr/local/bin/easy_install-3.6'
+    rm '/usr/local/bin/idle3'
+    rm '/usr/local/bin/idle3.6'
+    rm '/usr/local/bin/pip3'
+    rm '/usr/local/bin/pip3.6'
+    rm '/usr/local/bin/pydoc3'
+    rm '/usr/local/bin/pydoc3.6'
+    rm '/usr/local/bin/python3'
+    rm '/usr/local/bin/python3-32'
+    rm '/usr/local/bin/python3-config'
+    rm '/usr/local/bin/python3.6'
+    rm '/usr/local/bin/python3.6-32'
+    rm '/usr/local/bin/python3.6-config'
+    rm '/usr/local/bin/python3.6m'
+    rm '/usr/local/bin/python3.6m-config'
+    rm '/usr/local/bin/pyvenv'
+    rm '/usr/local/bin/pyvenv-3.6'
+    rm -rf '/Library/Frameworks/Python.framework/Versions/3.6'
+    rm -rf '/Applications/Python 3.6'
+    $ bash uninstall-python3.sh | sudo bash -v
+    Password:
+    rm '/usr/local/bin/2to3'
+    rm '/usr/local/bin/2to3-3.6'
+    rm '/usr/local/bin/easy_install-3.6'
+    rm '/usr/local/bin/idle3'
+    rm '/usr/local/bin/idle3.6'
+    rm '/usr/local/bin/pip3'
+    rm '/usr/local/bin/pip3.6'
+    rm '/usr/local/bin/pydoc3'
+    rm '/usr/local/bin/pydoc3.6'
+    rm '/usr/local/bin/python3'
+    rm '/usr/local/bin/python3-32'
+    rm '/usr/local/bin/python3-config'
+    rm '/usr/local/bin/python3.6'
+    rm '/usr/local/bin/python3.6-32'
+    rm '/usr/local/bin/python3.6-config'
+    rm '/usr/local/bin/python3.6m'
+    rm '/usr/local/bin/python3.6m-config'
+    rm '/usr/local/bin/pyvenv'
+    rm '/usr/local/bin/pyvenv-3.6'
+    rm -rf '/Library/Frameworks/Python.framework/Versions/3.6'
+    rm -rf '/Applications/Python 3.6'
+    $ bash uninstall-python3.sh
+    $
+
+Happy re-installing!