kubernetes/staging/src/k8s.io/kubectl/pkg/cmd/util/env_file.go

var utf8bom …

// processEnvFileLine returns a blank key if the line is empty or a comment.
// The value will be retrieved from the environment if necessary.
func processEnvFileLine(line []byte, filePath string,
	currentLine int) (key, value string, err error) { … }

// AddFromEnvFile processes an env file allows a generic addTo to handle the
// collection of key value pairs or returns an error.
func AddFromEnvFile(filePath string, addTo func(key, value string) error) error { … }