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tony5429

Member

Registered: 2006-03-28

Posts: 1,020

[SOLVED] Using Bash String in jq Command

I have the following contacts.json file:

[
	{
		"name": "John",
		"email": "john@email.com"
	},
	{
		"name": "George",
		"email": "george@email.com"
	},
	{
		"name": "Sally",
		"email": "sally@email.com"
	}
]

If I run this jq command, I get the expected output:

[tony@linux ~]$ jq '.[] | select(.name == "John")' contacts.json
{
  "name": "John",
  "email": "john@email.com"
}

But if I use a bash string for the needle in the haystack, jq doesn't find it (there's no output). Does anyone know why?

[tony@linux ~]$ name="John" ; jq -r '.[] | select(.name == "$name")' contacts.json
[tony@linux ~]$

Last edited by tony5429 (2018-08-24 12:56:40)

jasonwryan

Anarchist

From: .nz

Registered: 2009-05-09

Posts: 30,426

Website

Re: [SOLVED] Using Bash String in jq Command

jq --arg name "$name" '.[] | select(.name == $name)' contacts.json

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tony5429

Member

Registered: 2006-03-28

Posts: 1,020

Re: [SOLVED] Using Bash String in jq Command

Ah; that works! Thanks!