concept readable stream in category javascript

This is an excerpt from Manning's book Node.js in Practice. Login to get full access to this book.

Streams are part of Node’s core modules, and as such remain backward compatible with earlier versions. As of this writing, Node is at version 0.10, which has seen significant changes in the streams API. Though it remains backward compatible, the new streams syntax is in some ways stricter than earlier versions, yet ultimately more flexible. This boils down to the behavior of pipe—pipes must now originate from a Readable stream and end at a Writable stream. The util.pump method, found in earlier versions of Node, has now been deprecated in favor of the new pipe semantics.