了不起的Node.js里面的例子(监控文件夹下文件变化)

监控文件夹下文件变化
把要监控的文件名写到test.txt里

var fs = require('fs');
var stream = fs.createReadStream('test.txt');
var files = fs.readdirSync(process.cwd());
files.forEach(function (file) {
    if(/\.json/.test(file)){
        fs.watchFile(process.cwd() +'/'+file,function(){
            console.log('-'+file+'changed!');
        });
    }
});