diff --git a/Concat.go b/Concat-Enc.go
similarity index 94%
rename from Concat.go
rename to Concat-Enc.go
index 288d82b..0e8ae07 100644
--- a/Concat.go
+++ b/Concat-Enc.go
@@ -1,30 +1,30 @@
-package main
-
-import (
-   "os"
-   "path/filepath"
-)
-
-func main() {
-   file, err := os.Create("out.mp4")
-   if err != nil {
-      panic(err)
-   }
-   defer file.Close()
-   data, err := os.ReadFile("_init_dec.mp4")
-   if err != nil {
-      panic(err)
-   }
-   file.Write(data)
-   names, err := filepath.Glob("*.m4s")
-   if err != nil {
-      panic(err)
-   }
-   for _, name := range names {
-      data, err := os.ReadFile(name)
-      if err != nil {
-         panic(err)
-      }
-      file.Write(data)
-   }
+package main
+
+import (
+   "os"
+   "path/filepath"
+)
+
+func main() {
+   file, err := os.Create("out.mp4")
+   if err != nil {
+      panic(err)
+   }
+   defer file.Close()
+   data, err := os.ReadFile("_init_dec.mp4")
+   if err != nil {
+      panic(err)
+   }
+   file.Write(data)
+   names, err := filepath.Glob("*.m4s")
+   if err != nil {
+      panic(err)
+   }
+   for _, name := range names {
+      data, err := os.ReadFile(name)
+      if err != nil {
+         panic(err)
+      }
+      file.Write(data)
+   }
 }
\ No newline at end of file