1 files changed, 30 insertions, 9 deletions
diff --git a/main.go b/main.go
index c09e0e3..0b5d981 100644
--- a/main.go
+++ b/main.go
@@ -12,10 +12,11 @@ import (
 )
 
 const (
-	subExt   = ".vtt"
-	outdir   = "/mnt/desktop/media/datasets/nesfatelp_voice/utterances"
-	ffCmdOut = "./ff_commands"
-	timeSep  = "-->"
+	subExt       = ".vtt"
+	outdir       = "/mnt/desktop/media/datasets/nesfatelp_voice/utterances"
+	ffCmdOut     = "./ff_commands"
+	timeSep      = "-->"
+	metadataPath = "/mnt/desktop/media/datasets/nesfatelp_voice/metadata.json"
 )
 
 type Utterance struct {
@@ -96,6 +97,24 @@ func writeLines(lines []string, path string) error {
 	return w.Flush()
 }
 
+func readJson(filepath string) map[string]string {
+	plan, _ := ioutil.ReadFile(filepath)
+	data := make(map[string]string)
+	err := json.Unmarshal(plan, &data)
+	if err != nil {
+		log.Fatal(err)
+	}
+	return data
+}
+
+func writeJson(data map[string]string) {
+	metadataJson, _ := json.MarshalIndent(data, "", "  ")
+	err := ioutil.WriteFile(metadataPath, metadataJson, 0644)
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
 func buildFFmpegCall(fd *FileData, ut *Utterance) string {
 	return fmt.Sprintf(
 		`ffmpeg -i %s -ss %s -to %s \
@@ -130,10 +149,12 @@ func main() {
 	fmt.Println("utterances len:", len(utterances))
 	writeLines(ffmpegCommands, ffCmdOut)
 
-	metadata := utterancesToFileTextMap(utterances)
-	metadataJson, _ := json.MarshalIndent(metadata, "", "  ")
-	err := ioutil.WriteFile("metadata.json", metadataJson, 0644)
-	if err != nil {
-		log.Fatal(err)
+	metadata := readJson(metadataPath)
+	newMeta := utterancesToFileTextMap(utterances)
+
+	for k, v := range newMeta {
+		metadata[k] = v
 	}
+
+	writeJson(metadata)
 }