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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