node-echo 
A shell like echo for node.js with sync and async method
Usage:
var echo = require('node-echo');
echo(args...);
// echo.sync(args...);
to stdout or stderr
echo(anything[, echo.STDOUT|STDERR[, callback]])
echo anything to stdout or stderr, with or without a callback
echo.sync(anything[, echo.STDOUT|STDERR])
sync version, echo anything to stdout or stderr
to local file
echo(anything, flag, fileName, callback)
echo anything to localfile.
flag can be > or >>, and its default to >>, so echo default likes shell's
echo 'content' >> file
echo.sync(anything, flag, fileName)
sync version, echo anything to localfile.
flag can be > or >>, and its default to >>, so echo default likes shell's
echo 'content' >> file
Test:
npm install
npm test
License
The MIT License (MIT)
Copyright (c) 2013 Treri treri.liu@gmail.com
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.