add cover of Node.js The Right Way
watch file for changes
specify file to watch on command line instead of hardcoding a string
spawn process and fetch output
catch data from EventEmitter
asynchronously read a file
asynchronously write a file
mimic cat

Also provides an example of the shebang line for node
streaming read
finish chapter 2
tcp server that informs connected clients of changes to a file
switch from plaintext to JSON messages
json client for our file watching server
simulate network issues by breaking message into two parts
begin constructing a line delimited javascript client
expand client constructor
export client and connect
connect with ldj module instead of raw json
finish chapter 3
0mq file watch server