/*

Challenge 13; REMOVE CHARACTERS

Write a program which removes specific characters from a string.

The first argument is a path to a file.

The file contains the source strings and the characters that need to be scrubbed.

Each source string and characters you need to scrub are delimited by comma.

*/

var expect = require('chai').expect

, d1 = "how are you, abc"

, d2 = "hello world, def"

, e1 = "how re you"

, e2 = "hllo worl"

;

function removeChars(a) {

var s = a.split(",")

, chars = s[1]

, rx, out = ""

, i = 1, j = chars.length

;

while( i < j) {

console.log("len: " + j + ", i: " + i );

rx = new RegExp( chars[i] , 'g');

out = s[0].replace(rx, "");

s[0] = out;

i += 1;

}

return out;

}

describe('removeChars()', function(){

it('should work 1', function(){

expect( removeChars(d1) ).to.be.equal(e1);

});

it('should work 2', function(){

expect( removeChars(d2) ).to.be.equal(e2);

});

});