Hello.
Have you ever wondered what ${var##pattern} or ${var%%pattern} mean in bash script? They are part of a subject called parameter substitution.
In this video we cover bash parameter substitution in detail. You will come out at the end of the video being intrigued about bash scripting.
Good luck!
Refer: https://www.cyberciti.biz/tips/bash-s...
Refer: https://repl.it/@LoganLee7/MessyNavyF...