Ruby Render YAML JSON like format.

yml2yml.rb

#!/bin/usr/env ruby
#
# Ruby script to render a YAML file with a nice format.
#  Read a YAML file format and render like JSON.
# 
# File: input.yml
#  {
#    key1: "value",
#    key2: {
#     key3: "value3"
#    }
#  }
#
# Output:
#  {
#    key1: "value",
#    key2: {
#     key3: "newValue"
#    }
#  }
#

# Dependencies Ruby 2+
require 'yaml'
require 'json'

# Load YAML file
yml = YAML.load(File.read("input.yml"))

# Render output as JSON (nicer display) -> YML 
out = []
s = JSON.pretty_generate(yml).to_s
s.split("\n").each {|line| # Convert to YML
  i = line.index(":")
  if i
    out << line[0..i].gsub('"','')
    out << line[i+1..line.size] + "\n"
  else
    out << line + "\n"
  end
}

# Display YML
puts out.join