func writeResults(results vegeta.Results, output string) error {
out, err := file(output, true)
if err != nil {
return fmt.Errorf(errOutputFilePrefix+"(%s): %s", output, err)
}
defer out.Close()
log.Printf("Writing results to '%s'...", output)
if err := results.Encode(out); err != nil {
return err
}
return nil
}
