package inbox import ( "fmt" "os" ) func resolveBodyValue(body, bodyFile string) (string, error) { if body != "" && bodyFile != "" { return "", fmt.Errorf("body and body-file are mutually exclusive") } if bodyFile == "" { return body, nil } content, err := os.ReadFile(bodyFile) if err != nil { return "", fmt.Errorf("read body file %q: %w", bodyFile, err) } return string(content), nil }