You should make an attempt at learning to do this yourself. It's nothing more than a /msg or /notice line, an echo line, and a couple of {}'s being added.

In your on TEXT for !addown (the msg line is inserted):
Code:
  write quotes.txt $2-
  msg $nick Added: $2-
}


In your on INPUT for !addown (the else is expanded to include the echo line):
Code:
    else {
      write quotes.txt $2-
      echo -a Added: $2-
    }

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