Interactive AWS profile selector

awsprofile.sh

#!/bin/bash

CONFIG_FILE="${HOME}/.aws/config"

function awsprofile() {
	if [ -z ${AWS_PROFILE+x} ]; then msg="AWS_PROFILE is unset"; else msg="Current AWS_PROFILE=${AWS_PROFILE}"; fi

	echo -e "\n${msg}"
	echo -e "Available profiles:\n"
	PS3=$'\n'"Use number to select, 'u' to unset or 'q' to quit: "
	select profile in $(awk '/^\[/ { gsub("]", ""); print $2 }' <${CONFIG_FILE}); do

		if [[ "${REPLY}" == q ]]; then break; fi

		if [[ "${REPLY}" == u ]]; then
			unset AWS_PROFILE
			echo "AWS_PROFILE unset"
			break
		fi

		if [[ "${profile}" == "" ]]; then
			echo "'${REPLY}' is not a valid number"
			continue
		fi

		export AWS_PROFILE=${profile}
		echo "AWS_PROFILE set to ${AWS_PROFILE}"
		break

	done
}