The four code snippets below will.
Require json ruby.
So if you re using 1 9 2 you re probably all set.
On ruby 1 8 7 you ll need to install a gem.
Json generateは 引数に渡したrubyのhashをjson形式の文字列に1行で変換して返します to jsonメソッドと違い jsonモジュールを使用できる様にする為にrequire json を実行する必要があります.
Generating or serializing json in ruby.
Make an http get request to that url.
It is based on a subset of the javascript programming language standard ecma 262 3rd edition december 1999.
Installing the json gem.
However in ruby 1 9 2 the json gem is bundled with the core ruby distribution.
Let s look at how to retrieve and parse json results from a restful api using the four most popular ruby http libraries.
Generate a json document from the ruby data structure obj and return it.
The ruby toolbox lists no less than 25 http clients.
It is easy for humans to read and write.
It is easy for machines to parse and generate.
You can choose to load a set of common additions to ruby core s objects if you require json add core to get the best compatibility to rails json implementation you can require json add rails both of the additions attempt to require json like above first if it has not been required yet.
State is a json state object.
Json is a language agnostic lightweight data interchange format.
Load a ruby data structure from a json source and return it.
In this article you ll learn how to generate and parse json data in ruby.
It s easy to read and understand both by humans and machines.
Or a hash like object responding to to hash.
Json is a text format that is completely language.
Define a url to be parsed.
An object convertible into a hash by a to h method that is used as or to configure a state object.
In an overview json javascript object notation is a lightweight data interchange format.
We ll use the spotify api because it allows requests without authentication.
Ruby has a built in module that contains methods to generate and parse json.
Given below is a ruby program that will be used to parse the above mentioned json document usr bin ruby require rubygems require json require pp json file read input json obj json parse json pp obj on executing it will produce the following result.
Require json pure to use the pure variant.
If proc was given it will be called with any nested ruby object as an argument recursively in depth first order.
