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--- linux:jq [20/02/2024 17:01] – created - external edit 127.0.0.1
+++ linux:jq [28/05/2025 09:30] (current) – [jq - json parser] andrew
@@ Line 3: / Line 3: @@
 jq tutorial:- [[https://cameronnokes.com/blog/working-with-json-in-bash-using-jq/]]
+See also [[bash-json|Embedding a BASH variable in JSON]]
 ====== AWS Policy - get ARN ======
@@ Line 57: / Line 59: @@
 SecretSession==
 </code>
+====== Extracting multiple values in one pass ======
+Use a comma to separate multiple fields to extract:-
+Raw outpput for NAT gateways
+<code json>
+$ aws ec2 describe-nat-gateways
+{
+    "NatGateways": [
+        {
+            "CreateTime": "2024-02-10T14:30:57+00:00",
+            "NatGatewayAddresses": [
+                {
+                    "AllocationId": "eipalloc-abcd1234987658428",
+                    "NetworkInterfaceId": "eni-dcbaabcd12348765b",
+                    "PrivateIp": "10.10.10.60",
+                    "PublicIp": "32.231.232.69",
+                    "AssociationId": "eipassoc-abcddcba123427a41",
+                    "IsPrimary": true,
+                    "Status": "succeeded"
+                }
+            ],
+            "NatGatewayId": "nat-abcddcba123467dea",
+            "State": "available",
+            "SubnetId": "subnet-abcddcba12349399f",
+            "VpcId": "vpc-abcddcba12345b91c",
+            "Tags": [
+                {
+                    "Key": "Name",
+                    "Value": "poc-nat-public1-eu-west-1a-v2"
+                }
+            ],
+            "ConnectivityType": "public"
+        }
+    ]
+}
+</code>
+Code to extract just NAT id, state and Elastic ip in use:-
+<code bash>
+$ aws ec2 describe-nat-gateways | jq ".NatGateways | .[] | .NatGatewayId, .State, .NatGatewayAddresses[].NetworkInterfaceId"
+"nat-abcddcba123467dea"
+"available"
+"eni-abcddcba1234f5f0b"
+$
+</code>