read hide/show mode from prompt

main.go

@@ -59,7 +59,22 @@ func data2file(filename string, data []byte) {
   f.Write(data)
 }
 
+func getMode() string {
+  var mode string
+  fmt.Print("mode: ")
+  fmt.Fscan(os.Stdin, &mode)
+  if mode != "h" && mode != "s" {
+    fmt.Println("not a mode")
+    fmt.Println("type 'h' for hide or 's' for show")
+    mode = getMode()
+  }
+  return mode
+}
+
 func main() {
+  mode := getMode()
+  fmt.Println(mode)
+  /*
   var passwd string = "ThisAnnPassphrase"
   fmt.Println(passwd)
   key := keyMkr(passwd)
@@ -71,5 +86,6 @@ func main() {
   fmt.Println(string(dataSealed))
   fmt.Println("decryption:")
   fmt.Println(string(decrypt(dataSealed,key)))
+  */
 }