bash script to switch AWS creditials

aws.sh

function awscreds {
	## switches between sets of AWS credentials.
	## usage: awscreds <environment>
	## e.g. awscreds tl
	## It is advisable to customize the shell prompt to reflect current credentials.

	if ! [[ -n $1 ]]; then
		echo "Input is required"
	else
		case $1 in
			yogaglo)
				export AWS_ACCESS_KEY_ID=""
				export AWS_SECRET_ACCESS_KEY=""
				;;
			tl)
				export AWS_ACCESS_KEY_ID=""
				export AWS_SECRET_ACCESS_KEY=""
				;;
			bell)
				export AWS_ACCESS_KEY_ID=""
				export AWS_SECRET_ACCESS_KEY=""
				;;
			*)
				echo "\"$1\" is not a valid key set"
		esac
	fi
}

alias deploy='cd ~/Developer/devops/deployments/app && ls environments'