Recursively merge yaml documents in a new one

Node.js Usage

install

npm install mergeyaml --save

one.yml

1: hello
4:
    4.1: jhon
    4.2: doe

two.yml

2: world
4:
    4.1: jhon
    4.2: lenon
    4.3: from two

three.yml

3: '!'
4: 
    4.1: jhon
    4.2: lennon
    4.3: from three

example.js

'use strict';
var fs = require('fs');
var mergeyaml = require('mergeyaml');

var one = fs.readFileSync(__dirname + '/one.yml', 'utf8');
var two = fs.readFileSync(__dirname + '/two.yml', 'utf8');
var three = fs.readFileSync(__dirname + '/three.yml', 'utf8');

console.log(mergeyaml(one, two, three));
// or
console.log(mergeyaml([one, two, three]));
// ->
/*
1: hello
2: world
3: '!'
4: 
    4.1: jhon
    4.2: doe
    4.3: from two 
*/

Terminal Usage

npm install -g mergeyaml

mergeyaml $(cat one.yml) $(cat two.yml) $(cat three.yml)
# ->
#
# 1: hello
# 2: world
# 3: '!'
# 4: 
#     4.1: jhon
#     4.2: doe
#     4.3: from two