How to remember which expansion ${var%} ${var#} work from which end? [closed]
Percent symbols % always come last in numbers (e.g. 86%), so they remove from the end.
The hash symbols # start comments, so they remove from the start.
Remember only 1 and other will be Opposite of it.
# Shebang starts from a hash which means it will remove from starting till pattern, if you remember this and you know what other does IMHO :)