Execution of shell instruction in Portfile

[Marko Käning]

> On Oct 2, 2011, at 6:06 PM, Jeremy Lavergne wrote:
>>> ui_msg
>> I'd recommend using `notes` instead of ui_msg, allowing the user to view the message at any time through `port notes foo`

But the ui_msg is shown directly during installation, whereas the notes have to be actively asked for by the user using "port notes foo".
So, in such a case it might be even better to use a combination of both?