A user in the comments of this post mentioned a great way to use Notification Center for terminal notifications, very cool.
I also use something like this : Once you installed terminal-notifier, you can also bypass growl completely and use the notification center, having a function like
function growl() {
terminal-notifier -activate com.googlecode.iterm2 -title "Pssssst !!" -subtitle "A message from your shell:" -message "$@"
}
Because popup notifications are numerous those days, I also added an audio notification in my growl function :
function groooowl() {
terminal-notifier -activate com.googlecode.iterm2 -title "Pssssst !!" -subtitle "A message from your shell:" -message "$@"
say "$@"
}