portmanager quiet

Hi there,
I want to upgrade my ports but since I have so many out of date, can I run portmanager with a quiet option so it stops asking me iteratively to upgrade my options, if this is possible? It is so annoying to be sitting in front of the box for hours waiting for this iteration to go away. Please advise. I am looking for a quiet option or take default option with user interaction. Thank you in advance.
 
I am using the normal portmanager -u but it keeps asking me to select options for every so often of packages options, I want to all default options without interaction. Does that make sense. I want it to operate in quiet mode in some sort, any ideas.
 
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