Create EC2 key pair and "generate" PEM file

create-ec2-key-and-generate-pem-file.sh

#!/usr/bin/env bash

# Tools:
# - aws-cli version 1.11.143
# - jp version 0.1.3
#       https://github.com/jmespath/jp

# Notes:
# - 'sed' pattern
#       https://stackoverflow.com/questions/13610639/tr-command-how-to-replace-the-string-n-with-an-actual-newline-n/13611446#13611446

aws ec2 create-key-pair --key-name 'my-key' > 'my-key.json'
cat 'my-key.json' | jp 'KeyMaterial' | sed 's/\\n/\n/g' > 'my-key.pem'