class Net::SSH::Config

def for(host, files = expandable_default_files)

recognized by Net::SSH, and returns them.
#default_files), translates the resulting hash into the options
given +files+ (defaulting to the list of files returned by
Loads the configuration data for the given +host+ from all of the
def for(host, files = expandable_default_files)
  translate(files.inject({}) { |settings, file|
    load(file, host, settings)
  })
end