On Tuesday, February 2, 2016 at 12:27:23 AM UTC+8, [email protected] 
wrote:
>
> how to read a random line/lines from a file  using node.js
>
> fs = require('fs')
> var data;
> fs.readFile('filename.txt', 'utf8', function (err,rawData) {
>   if (err) {
>     return console.log(err);
>   }
>   data = rawData.split('\n');
> });
>
> function randomInt (low, high) {
>     return Math.floor(Math.random() * (high - low) + low);
> }
>
> function getRandomLine(){
>   return data[randomInt(0,data.length)];
> }
>

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