JSON File to Ruby Hash

Question

I have a JSON file composed of bot names and their parameters and configurations and it looks like this:

{
    "csv-collector": {
        "parameters": {
            "delete_file": false,
            "feed": "FileCollector",
            "provider": "ola",
            "path": "/tmp/",
            "postfix": ".csv",
            "rate_limit": 300
        },
        "group": "Collector",
        "name": "Fileinput",
        "module": "abc",
        "description": "Fileinput collector fetches data from a file."
    },
    "csv-parser": {
        "parameters": {
            "columns": "classification.type,destination.ip",
            "default_url_protocol": "http://",
            "delimiter": ",",
            "skip_header": true,
            "type": "c&c"
        },
        "group": "Parser",
        "name": "Generic CSV",
        "module": "efg",
        "description": "Generic CSV Parser is a generic bot"
    }
}

And I would like to parse it to a Ruby Hash with the bot names "csv-collector" and "csv-parser" as the keys and the rest of the content as the values. Something like this:

my_hash = {"csv-collector" => {"parameters": {
                "delete_file": false,
                "feed": "FileCollector",
                "provider": "ola",
                "path": "/tmp/",
                "postfix": ".csv",
                "rate_limit": 300
            },
            "group": "Collector",
            "name": "Fileinput",
            "module": "abc",
            "description": "Fileinput collector fetches data from a file."
            }
         }

I have several bots so this must be valid for the others as well.

I already have the following code:

require "json"

def read_file
  temp = Hash.new
  file = JSON.parse(File.read('mybotsfile.conf'))
  file.each { |bot| temp << bot}
  puts temp
end

But is giving me the following error:

`undefined method `<<' for {}:Hash (NoMethodErr`or)

I'm new to Ruby and I don't know very well how to parse the JSON file to a Ruby Hash

Andrey Deineko · Accepted Answer · 2017-02-10 12:28:04Z

7

require 'json'
file = File.read('your-json-file.json')
result_hash = JSON.parse(file)

answered Feb 10, 2017 at 12:28

Andrey Deineko

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