Can i tell nmap what to log and what not?

[Martin Contento <martin.contento () gmail com>]

Hi, i frequently use nmap to scan for certain open ports in my dorm.
It works very well, but parsing the logs is really slow because it's
full of "filtered" entries that don't interesnt me anyway.
Is there a way to tell nmap to "only log open ports"?
To avoid the obvious reply: i know man grep ;P

Thanks in advance

Martin

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