I came across this today. Bash scripting is one of the most awesome parts about Linux. There is a lot of power in scripting, and you can do so many things with a bash script. So, to help you get started, a video series seems appropriate.
Video 1: https://www.youtube.com/watch?v=btmV1B8M4F4
Video 2: https://www.youtube.com/watch?v=ghNPw4hQ1pA
Video 3: https://www.youtube.com/watch?v=QjazxQxQfl4
Video 4: https://www.youtube.com/watch?v=1MNoRI5OigE
Video 5: https://www.youtube.com/watch?v=Yq0K-O1zP2M
Video 6: https://www.youtube.com/watch?v=js9X3kFWaxc
Video 7:https://www.youtube.com/watch?v=BIGdx3SqLfI
Video 8: https://www.youtube.com/watch?v=bsWrdQWo9rw
Enjoy!