Is it safe to parse json with YAML.load?

Question

I am using ruby 2.1.0 I have a json file. For example: test.json ``` { "item":[ {"apple": 1}, {"banana": 2} ] } ``` Is it safe to load this file with YAML.load? ``` YAML.load(File.read('test.json')) ``` I am trying to load a file which is in either json or yaml format.

Accepted Answer

YAML can load JSON

```
YAML.load('{"something": "test", "other": 4 }')
=> {"something"=>"test", "other"=>4}
```

JSON will not be able to load YAML.

```
JSON.load("- something
")
JSON::ParserError: 795: unexpected token at '- something'
```

There will be some obscure cases that work and produce different output.

```
YAML.load("")
=> false
JSON.load("")
=> nil
```

But generally the YAML construct is not JSON compliant.

So, try the `JSON.load` first because it's probably better at obscure JSON things. Catch the `JSON::ParserError` error and fall back to `YAML.load`.

Is it safe to parse json with YAML.load?

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