try.coffee

bunyan = require 'bunyan'
logger = bunyan.createLogger
    name: 'try file'
    streams: [
        type: 'stream'
        stream: process.stdout
        level: 'debug'
      ,
        type: 'stream'
        stream: process.stdout
        level: 'info'
      ,
        type: 'stream'
        stream: process.stderr
        level: 'error'
    ]
    serializers:
      req: bunyan.stdSerializers.req
      res: bunyan.stdSerializers.res

logger.info 'hello info'
logger.debug 'hello debug'
logger.error 'hello error'

{"name":"try file","hostname":"style.local","pid":4901,"level":30,"msg":"hello info","time":"2014-04-07T11:16:20.869Z","v":0}
{"name":"try file","hostname":"style.local","pid":4901,"level":30,"msg":"hello info","time":"2014-04-07T11:16:20.869Z","v":0}
{"name":"try file","hostname":"style.local","pid":4901,"level":20,"msg":"hello debug","time":"2014-04-07T11:16:20.870Z","v":0}
{"name":"try file","hostname":"style.local","pid":4901,"level":50,"msg":"hello error","time":"2014-04-07T11:16:20.870Z","v":0}
{"name":"try file","hostname":"style.local","pid":4901,"level":50,"msg":"hello error","time":"2014-04-07T11:16:20.870Z","v":0}
{"name":"try file","hostname":"style.local","pid":4901,"level":50,"msg":"hello error","time":"2014-04-07T11:16:20.870Z","v":0}