nmap-formatter

• If not done already, install MacPorts.
• To install nmap-formatter, run the following command in macOS terminal (Applications->Utilities->Terminal)
  
  sudo port install nmap-formatter Copy
• To see what files were installed by nmap-formatter, run:
  
  port contents nmap-formatter Copy
• To later upgrade nmap-formatter, run:
  
  sudo port selfupdate && sudo port upgrade nmap-formatter Copy

The MacPorts Project uses a system called Trac to file tickets to report bugs and enhancement requests. Though anyone may search Trac for tickets, you must have a GitHub account in order to login to Trac to create tickets.