def viewaddressesconfiguration 
    require 'fileutils'
    begin # exception trapped block
    
     Dir.chdir($progdir)
     rwdaddrssesconfigurationfile = File.join( "configuration", "gg3rwdaddresses.cnf" )
     if  File.exist?(rwdaddrssesconfigurationfile)
       fd = File.open(rwdaddrssesconfigurationfile,"r")
       @rwdaddressesconfigurationtext = " "
       while ! fd.eof?
	        @rwdaddressesconfigurationtext = fd.read
       end
       fd.close
     else
	@rwdaddressesconfigurationtext  = "File error"
     end
    rescue SystemCallError, StandardError
     $stderr.print "system call error: " + $!
     @rwdaddressesconfigurationtext = "File error"
    end # exception rescue
  end