You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: main.go
    path of file: ./repos/cockroach/pkg/kv/kvserver/rangelog/internal/genrangelogdatapb
    
    the code of the file until where you have to start completion: // Copyright 2022 The Cockroach Authors.
//
// Use of
    
func run(args []string) error {
	if len(args) != 2 {
		return errors.Errorf("requires 2 argument, got %d", len(args))
	}
	input, output := args[0], args[1]
	data, err := os.ReadFile(input)
	if err != nil {
		return errors.Wrapf(err, "failed to read csv file %v", args[0])
	}
	parsed, err := rangelogtestpb.ParseCSV(data)
	if err != nil {
		return errors.Wrap(err, "failed to parse input")
	}
	encoded, err := protoutil.Marshal(parsed)
	if err != nil {
		return errors.Wrap(err, "failed to encode output")
	}
	return errors.Wrap(os.WriteFile(output, encoded, 0666),
		"failed to write output")
}