aws-export-credentials.sh

#!/bin/bash

CONF_FILE=~/.aws/credentials

function usage {
  echo "Export AWS API keys"
  echo "Will read $CONF_FILE and export the api keys as environment variables"
  echo "Usage: $0 --profile <profile>"
}

# read parameters
while [[ $# -gt 0 ]]; do
  key="$1"
  case $key in
    -h|--help)
      usage
      exit 0
    ;;
    -p|--profile)
      PROFILE="$2"
      shift
    ;;
  esac
shift
done

if [ -z "$PROFILE" ]; then
  usage
  exit 1
fi

cat "$CONF_FILE" |\
  grep -F "[$PROFILE]" -A3 |\
  tail -n+2 |\
  sed "s/aws_security_token=\(.*\)/aws_security_token=\1\naws_session_token=\1/" |\
  sed "s/\([^=]*\)=/export \U\1=/"