List key details for ec2 instances

lsinstances.sh

#!/bin/bash
# $1 region

MYREGION=${1:-eu-west-1}

total_instances_output=$(aws ec2 describe-instances --region $MYREGION)
total_instances=$(echo "${total_instances_output}" | jq '.Reservations[].Instances[] | [.InstanceId] | @tsv')

named_instances=$(echo "$total_instances_output"  |jq '.Reservations[].Instances[] | try select (.Tags[].Value = "Key")  | [.InstanceId, .PublicIpAddress,.PrivateIpAddress,.State.Name,(.Tags | from_entries | .Name)]  | @tsv')

echo Named Instances: "$(echo "$named_instances" | grep -v -e '^$'| wc -l)"
echo
echo "$total_instances_output"  | \
     jq -r '.Reservations[].Instances[] | try select (.Tags[].Value = "Key") | [.InstanceId, .State.Name, (.Tags | from_entries | .Name) // "NONAME", .PrivateIpAddress, .PublicIpAddress]  | @tsv' | \
     awk '{printf ("%-19s %-10s %-40s %15s %15s \n", $1, $2, substr($3,1,40), $4, $5)}'
echo
echo total Instances: "$(echo "$total_instances" | grep -v -e '^$'| wc -l)"