add a csv printer

cmd/any2anexoj-cli/main.go

@@ -22,6 +22,7 @@ var (
 	platform = pflag.StringP("platform", "p", "trading212", "One of the supported platforms")
 	lang     = pflag.StringP("language", "l", language.Portuguese.String(), "The 2 letter language code")
 	debug    = pflag.BoolP("debug", "d", false, "Activate to log debug messages")
+	format   = pflag.StringP("format", "f", "table", "Output format: table or csv")
 	ofAPIKey = pflag.String("open-figi-api-key", "", "An OpenFIGI API key for faster report generation (better rate api rate limits)")
 	// TODO: improve documentation on selectors
 	selectors = pflag.StringSlice("selectors", nil, "Only process entries that conform to all the selectors:")
@@ -80,16 +81,19 @@ func run(ctx context.Context) error {
 		return err
 	}
 
-	loc, err := NewLocalizer(*lang)
-	if err != nil {
-		return fmt.Errorf("create localizer: %w", err)
+	switch *format {
+	case "csv":
+		return NewCSVWriter(os.Stdout).Render(writer)
+	case "table":
+		loc, err := NewLocalizer(*lang)
+		if err != nil {
+			return fmt.Errorf("create localizer: %w", err)
+		}
+		NewPrettyPrinter(os.Stdout, loc).Render(writer)
+		return nil
+	default:
+		return fmt.Errorf("unsupported format %q: must be table or csv", *format)
 	}
-
-	printer := NewPrettyPrinter(os.Stdout, loc)
-
-	printer.Render(writer)
-
-	return nil
 }
 
 func getReader(platform string, ofAPIKey string) (internal.RecordReader, error) {