select-options

#!/bin/sh
# Displays the received arguments as options and returns the option selected
 
# Set the prompt for the select command
PS3="Type a number or 'q' to quit: "
 
# Show a menu and ask for input. If the user entered a valid choice return it.
select option in "$@"; do
    if [ -n "$option" ]; then
        echo ${option}
    fi
    break
done