Accessing JSON objects in Ruby [closed]

Answer 1

In Ruby you have to use square brackets to access hashes.

json =JSON.parse(File.read('input.json'))
domains = []
json.Results.map{|result| result.Paths.map{|path| domains << path.Domain }}

However it is Ruby... so you also can override the Hash class and access your Hashes with a simple dot notation. (by the simple solution of: @papirtiger ) For example: domain = json.Results.Paths.Domain

require 'ostruct'
JSON.parse(File.read('input.json'), object_class: OpenStruct)

Answer 2

You can try:

json_file = JSON.parse(File.read('input.json'))

json_file[:Results].each {|y| y[:Result][:Paths].each do |a|
  puts "Domain names: #{a[:Domain]}"
  a[:Modules].each {|b| puts "Module names are: #{b[:Name]}" }
end
}

#=> Domain names: VALUE1.LTD
#=> Module names are: VALUE
#=> Module names are: VALUE

Answer 3

JSON.parse takes a JSON string and return a hash which can be manipulated just like any other hash.

#!/usr/bin/ruby
require 'rubygems'
require 'json'
require 'pp'

# Symbolize keys makes the hash easier to work with
data = JSON.parse(File.read('input.json'), symbolize_keys: true)

# loop through :Results if there are any
data[:Results].each do |r|
  # loop through [:Result][:paths] if there are any
  r[:Result][:paths].each do |path|
    # path refers the current item
    path[:Modules].each do |module|
      # module refers to the current item
      puts module[:name]
    end if path[:Modules].any?
  end if r[:Result][:paths].any?
end if data[:Results].any?