Here is an examle for you.

Code:
on *:input:*: {
  if ($1 == e) {
    echo -a $2-
    halt
  }
}


If you type: e $calc(5+5)
It will echo in your active window: 10

In other words, it saves you from typing //echo -a

Of course, you could just make an /e alias, but that does mean you have to type / as well.

Anyhow, I think you had more in mind than just saving some typing, so just use this example to get you where you want.

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