select

Bash builtin construct for creating menus. More information: https://www.gnu.org/software/bash/manual/bash.html#index-select.

• Create a menu out of individual words:
  select {{word}} in {{apple}} {{orange}} {{pear}} {{banana}}; do echo ${{word}}; done
• Create a menu for picking a file or folder from the current directory:
  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