Hash w/ Node

hash.js

#!/usr/local/bin/node

var crypto = require('crypto');
var hashes = crypto.getHashes();

var i = process.argv.indexOf('-m');
var hash;

if (i >= 0 && hashes.indexOf(process.argv[i + 1]) >= 0)
  hash = crypto.createHash(process.argv[i + 1]);
else
  hash = crypto.createHash('md5');

var encoding = 'base64';

if (process.argv.indexOf('-bin') >= 0)
  encoding = 'binary';
if (process.argv.indexOf('-hex') >= 0)
  encoding = 'hex';

hash.update(process.argv[process.argv.length - 1], 'utf-8');
console.log(hash.digest(encoding));