joyent/node — pull request #4753 by Sghazzawi (2013-02-11 18:42:59+00:00)
Title: Readline should not require an output stream

If you pass in null as the output stream, then it should just not write output. This would make it easier to use readline to just parse out the line

Fixes joyent/node#4408

This is my first code contribution to node.js, I've signed the CLA.