Cakefile 에서 stdout 로그를 지속적으로 출력

Cakefile

task 'run', 'Run Server', ->
	build ->
		node = exec('node lib/server.js')
		node.stdout.on 'data', (data) ->
			console.log(data.toString('utf8'))
		node.stderr.on 'data', (data) ->
			console.log(data.toString('utf8'))
		
build = (callback) ->
	coffee = exec('coffee -m -o lib/ -c src/')
	coffee.stdout.on 'data', (data) ->
		console.log(data.toString('utf8'))
	coffee.stderr.on 'data', (data) ->
		console.log(data.toString('utf8'))
	coffee.on 'close', (code) ->
		if code is 0
			callback?()
		else
			console.log('process exited with code ' + code)