sounds.sh

#!/bin/bash

# Array with expressions                                                           
expressions=("guuuuuuuuuurrrrrrrrrrrr" "cluck cluck cluck" "click" "tick tock") 
voices=("Karen" "Diego" "Sara" "Thomas" "Victoria")                                
                                                                                   
# Seed random generator                                                            
RANDOM=$$$(date +%s)                                                               
                                                                                   
# Get random expression...                                                         
selectedexpression=${expressions[$RANDOM % ${#expressions[@]} ]}                   
voice=${voices[$RANDOM % ${#voices[@]} ]}                                          
                                                                                   
# Write to Shell                                                                   
say -v $voice "$selectedexpression"