Writing and Reading YAML from both Ruby code, and YAML Markup

ruby_check_yaml_example_1.rb

#!/usr/bin/env ruby
#
#
#
require 'yaml'
require 'fileutils'

def create_config_file
  default_options = {
    "ruby_dir" => "#{ENV['HOME']}/rubies",
    "ruby_config" => "ruby_thinger.rb",
    "ruby_exec" => "ruby.exe"
  }.to_yaml
  config_file = open("#{ENV['HOME']}/.ruby_config/ruby_config.yml", 'w')
  config_file.write default_options
  config_file.close
end

puts "=> Setting Variables"
yaml_config_file = "ruby_config.yml"
yaml_config_dir = "#{ENV['HOME']}/.ruby_config"
puts "=> Config location: #{yaml_config_dir}/#{yaml_config_file}"

puts "=> Checking if config Directory exists."
unless File.directory?(yaml_config_dir)
  puts "=> Creating config directory."
  FileUtils::mkdir_p yaml_config_dir
end

puts "=> Checking for config file."
unless File.exists?("#{yaml_config_dir}/#{yaml_config_file}")
  puts "=> Creating config file"
  create_config_file
end

puts "=> Reading configuration file."
read_yaml_config_file = YAML::load(File.read("#{yaml_config_dir}/#{yaml_config_file}"))
puts "=> Displaying the contents."
puts read_yaml_config_file

ruby_yaml_example_1.rb

#!/usr/bin/env ruby
#
#
#

require 'yaml'

options = {
  "loglocation" => "C:/location",
  "logname" => "logfile",
  "strings" => ['foo', 'bar'],
  "hashinhash" => {
    "location" => "location_file"
  }
}.to_yaml

puts options

yaml_file = open('yaml_config.yml', 'w')

yaml_file.write(options)

yaml_file.close

read_yaml_file = YAML::load(File.open('yaml_config.yml'))

puts "#{read_yaml_file}"

hash_from_yaml = read_yaml_file

puts hash_from_yaml

yaml_config.yml

---
loglocation: C:/location
logname: logfile
strings:
- foo
- bar
hashinhash:
  location: location_file