functions

#!/bin/bash
function show_logs {
ls -l /var/log/
}
function show_users {
cat /etc/passwd
}
echo '--------'
echo 'My Menu'
echo '--------'
PS3='Choose an option: '
commands=("Show logs" "Show users" "Quit")
COLUMNS=0
select cmd in "${commands[@]}"; do
    case $cmd in
        "Show logs")
            echo "Showing logs ... "
            show_logs
            ;;
        "Show users")
            echo "Showing users ... "
            show_users
            ;;
	"Quit")
	    echo "Exiting ... "
	    exit
	    ;;
        *) echo "invalid option $REPLY";;
    esac
done

#!/bin/bash function show_logs { ls -l /var/log/ } function show_users { cat /etc/passwd } echo '--------' echo 'My Menu' echo '--------' PS3='Choose an option: ' commands=("Show logs" "Show users" "Quit") COLUMNS=0 select cmd in "${commands[@]}"; do case $cmd in "Show logs") echo "Showing logs ... " show_logs ;; "Show users") echo "Showing users ... " show_users ;; "Quit") echo "Exiting ... " exit ;; *) echo "invalid option $REPLY";; esac done

--------
My Menu
--------
1) Show logs
2) Show users
3) Quit

-------- My Menu -------- 1) Show logs 2) Show users 3) Quit