How to select a random item from an array in shell

Question

I\'m creating a bot in Shell Script:

# Array with expressions
expressions=(\"Ploink Poink\" \"I Need Oil\" \"Some Bytes are Missing!\" \"Poink Poink\" \"Piii         


        

Answer 1

arr[0]="Ploink Poink"
arr[1]="I Need Oil"
arr[2]="Some Bytes are Missing!"
arr[3]="Poink Poink"
arr[4]="Piiiip Beeeep!!"
arr[5]="Hello"
arr[6]="Whoops! I'm out of memmory!"
rand=$[$RANDOM % ${#arr[@]}]
echo $(date)
echo ${arr[$rand]}