Ruby on Rails Wednesday, November 26, 2014

Your example has an error 

{ "id": "abracadabra",
"data": "good" },(comma is missing)
{ "id": "abracxxabra",
"data": "goodsss" }

Solution

render json: JSON.parse(obj).each{|k,v| v.each{|arr| arr.reject!{|x| x == "id" } } if v.class.to_s == "Array"}.to_json



On Wed, Nov 26, 2014 at 1:33 PM, Zhao Difei <difeiz@gmail.com> wrote:
Greetings all,

  I have a json object (text) to render, formatted as:

{
"a": "b",
"c":
[ { "id": "abracadabra",
"data": "good" }
{ "id": "abracxxabra",
"data": "goodsss" } ]
}

  How could exclude the id fields from rendering, I tried different combinations:

render json: obj, except: [ c: [ "id" ] ]
render json: obj, include: [ c: [ except: "id" ] ]

  none of them works, any ideas? Thanks in advance.

Cheers,
Difei

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