From:
MacInTouch To check that bash has been updated:
Open Terminal
Execute this command:
bash --version
The version after applying this update will be:
OS X Mavericks: GNU bash, version 3.2.53(1)-release (x86_64-apple-darwin13)
OS X Mountain Lion: GNU bash, version 3.2.53(1)-release (x86_64-apple-darwin12)
OS X Lion: GNU bash, version 3.2.53(1)-release (x86_64-apple-darwin11)
***
I installed the Mavericks version and AFAIK, all is right with the world.