npm install md5-jsmd5 library and cli tools for javascript
``
npm i -g md5-js
`
md5 example.txt
`js`
md5 "hello world"
`html`
`js
var fs = require('fs');
var md5 = require('md5-js');
console.log(md5('hellow world'));
fs.readFile('example.txt', function(err, buf) {
console.log(md5(buf));
});
``