randtext

rand()
{
    echo $(( $(cat /dev/urandom|od -vAn -N2 -tu2|tr -d '[:blank:]') % $1 ))
}

randtext()
{
        a=( "$@" )
        echo "${a[$(rand $#)]}"
}

randtext "text 1" "text 2" "text 3" "text 4" # will print either "text 1", "text 2", "text 3", or "text 4" at random