json array into json stream with jq

Question

This task is similar to this one but in my case I would like to go other way around. So say we have input:

[
    {
        "name": "John",
        "email": "[email protected]"
    },
    {
        "name": "Brad",
        "email": "[email protected]"
    }
]

and desired output is:

{
    "name": "John",
    "email": "[email protected]"
}
{
    "name": "Brad",
    "email": "[email protected]"
}

I tried to write a bash function which will do it in loop:

#!/bin/bash

json=`cat $1`
length=`echo $json | jq '. | length'`

for (( i=0; i<$length ; i++ ))
do
echo $json | jq ".[$i]"
done

but it is obviously extremly slow...

Is there any way how to use jq better for this?

sat · Accepted Answer · 2016-11-02 14:12:15Z

3

You can use this :

jq '.[]' file

If you use the .[index] syntax, but omit the index entirely, it will return all of the elements of an array.

Test:

$ jq '.[]' file
{
  "email": "[email protected]",
  "name": "John"
}
{
  "email": "[email protected]",
  "name": "Brad"
}

answered Nov 2, 2016 at 14:12

sat

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Comments

hemanth.b · Accepted Answer · 2016-11-02 14:16:53Z

2

you can apply ".[]" filter.

This tutorial is very informative https://stedolan.github.io/jq/tutorial/

answered Nov 2, 2016 at 14:16

hemanth.b

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