lib/rbbt/util/R.rb in rbbt-util-5.41.1 vs lib/rbbt/util/R.rb in rbbt-util-5.42.0

@@ -48,10 +48,10 @@
           monitor.call line
         else
           Log.debug "R: " <<  line
         end
       end
-      nil
+      io.join if io.respond_to? :join
     else
       CMD.cmd('R --no-save --slave --quiet', options.merge(:in => cmd, :xvfb => options[:xvfb]))
     end
   end