Ruby on Rails

On Aug 26, 2013, at 2:42 PM, Love U Ruby <lists@ruby-forum.com> wrote:

> require 'json'
>
> str = "1=2,3=(4=5,6=7)"
> new_str = str.gsub(/=|\(|\)/) do |m|
> if m == "="
> m= "=>"
> elsif m == "("
> m = "{"
> else
> m = "}"
> end
> end
>
> new_str = new_str.prepend("{") << "}"
> # => "{1=>2,3=>{4=>5,6=>7}}"
>
> JSON.parse(new_str)
> # ~>
> /home/kirti/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/json/common.rb:155:in
> `parse': 757: unexpected token at '{1=>2,3=>{4=>5,6=>7}}'
> (JSON::ParserError)
> # ~> from
> /home/kirti/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/json/common.rb:155:in
> `parse'
> # ~> from -:15:in `<main>'
>
>
> My question is how should I get the hash {1=>2,3=>{4=>5,6=>7}} from that
> string?
>
> -

There is no JSON here at all.

Given this:
> new_str = new_str.prepend("{") << "}"
> # => "{1=>2,3=>{4=>5,6=>7}}"

You have a string which represents a what a Hash looks like. Why not run it through eval and see what you get?

my_hash = eval(new_str)


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