Share jq friendly JSON printing tips under Linux

Moving on to the answer below, there is a gadget called jq that seems to be good, and the test download does meet the requirements.

Json | jq '.'
You get a formatted result

Let me introduce jq to you in detail

Jq's official website: (link: http://stedolan.github.io/jq/)

Download the binary can call directly, after detailed installation see: (link: http://stedolan.github.io/jq/download/)

Easy to use:
1. Json file friendly display

cat jsonfile | path_to_jq/jq .  

2. Get the value of a key in json

cat jsonfile | path_to_jq/jq ".key"  

More operations, see: (link: http://stedolan.github.io/jq/manual/)