Example: `echo "$(eval "$(echo "{ foo: { bar: [fizz, buzz] } }" | yml2sh)"; echo "$(foo.bar)")"` => fizz\tbuzz

yml2sh

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

def puts_sh_kv(key, value)
  escaped_value = value.gsub(/"/, '\\"')
  puts %(function #{key}() { echo "#{escaped_value}"; })
end

def print_sh(data, key_prefix: '')
  data.each do |key, value|
    key_path = "#{key_prefix}#{key}"
    case value
    when Hash
      print_sh value, key_prefix: key_path + '.'
    when Array
      puts_sh_kv key_path, value.join("\t")
    else
      puts_sh_kv key_path, value
    end
  end
end

print_sh YAML.load(ARGF.read)