# this method adds a new address record
  def saverwdshellconfiguration
   require 'fileutils'
   rwdshellname = "rwdwruby.cnf"
   newname = rwdshellname # grab the filename to create
   newdata =@a_rshellconfiguration
	 
        begin # exception trapped block
          fileName = File.join( ConfigurationDir, newname )
        	fd = File.open(fileName,"w")
	        fd.print(newdata) # save the record info to the file
	        fd.close
          @newrshellconfigurationresult=newdata # show the record info in the browser
        rescue SystemCallError, StandardError
            $stderr.print "system call error: " + $!
        end # exception rescue
    
  end