tabber.js

#!/usr/bin/env node

'use strict';

/*
  tabber.js: Add N extra tabs at the beginning of each line of code
  
	usage:
	./tabber.js <filename> <no_of_tabs> > <output_filename>
*/

let fRead = require ('fs').readFileSync,
	args = process.argv;
let code = fRead (args [2], 'utf8').split (''),
	extension = Array (Number (args [3]) + 1).join ('\t');

code [0] = extension + code [0];
for (let i = 0; i < code.length; i++) {
	if (code [i] === '\n') {
		code [i] = '\n' + extension;
	}
}

console.log (code.join (''));