Quickly create a nested folder structure via Terminal(robservatory.com)
robservatory.com
Quickly create a nested folder structure via Terminal
https://robservatory.com/quickly-create-a-nested-folder-structure-via-terminal/
https://robservatory.com/quickly-create-a-nested-folder-structure-via-terminal/
"This sequence creates every combination of A to C and 0 to 3—i.e. A0, A1, A2, A3, B0, B1, etc."
And:
"The ..2 bit tells the expansion to only output every second letter."