select — Bash builtin construct for creating menus. More information: <https://www.gnu.org/software/bash/manu

Create a menu out of individual words

select {{word}} in {{apple orange pear banana}}; do echo ${{word}}; done

Create a menu from the output of another command

select {{line}} in $({{command}}); do echo ${{line}}; done

Specify the prompt string for `select` and create a menu for picking a file or folder from the current directory

PS3="{{Select a file: }}"; select {{file}} in *; do echo ${{file}}; done

Create a menu from a Bash array

{{fruits}}=({{apple orange pear banana}}); select {{word}} in ${{{fruits[@]}}}; do echo ${{word}}; done