Added -r flag to allow repeating sections like numbers stations typically do

numberstation.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"strings"
 	"time"
+	"flag"
 
 	"github.com/chzyer/readline"
 	"github.com/gopxl/beep"
@@ -22,6 +23,10 @@ const (
 )
 
 func main() {
+	// Define and parse the -r flag
+	repeat := flag.Bool("r", false, "Repeat each section separated by space, '-', or '_'")
+	flag.Parse()
+
 	// Create a map to store sound data for each character
 	soundMap := make(map[rune][]byte)
 
@@ -75,10 +80,22 @@ func main() {
 	input := inputBuilder.String()
 	input = strings.ToLower(strings.TrimSpace(input))
 
-	for _, c := range input {
-		if c == '-' || c == '_' || c == ' ' || c == '\n' {
-			time.Sleep(longPause)
-		} else {
+	// Split the input into sections and process each section
+	sections := strings.FieldsFunc(input, func(r rune) bool {
+		return r == ' ' || r == '-' || r == '_'
+	})
+
+	fmt.Println("Playback starting...")
+	for _, section := range sections {
+		// Determine the number of times to read each section
+		numRepeats := 1
+		if *repeat {
+			numRepeats = 2
+		}
+
+		// Read and optionally repeat each section
+		for i := 0; i < numRepeats; i++ {
+			for _, c := range section {
 				if soundData, ok := soundMap[c]; ok {
 					playSound(soundData)
 				} else {
@@ -86,7 +103,16 @@ func main() {
 				}
 				time.Sleep(pauseBetweenCharacters)
 			}
+			// Pause between repeats if repeating
+			if *repeat && i == 0 {
+				time.Sleep(longPause)
 			}
+		}
+		// Long pause between sections
+		time.Sleep(longPause)
+	}
+
+	fmt.Println("Playback finished. Exiting.")
 }
 
 // Function to play sound