getMode func removed

main.go

@@ -10,7 +10,6 @@ import (
   "io"
   "io/ioutil"
   "os"
-  "regexp"
   "strings"
   "syscall"
   "github.com/h2non/filetype"
@@ -74,23 +73,6 @@ func data2file(filename string, data []byte) {
   f.Write(data)
 }
 
-func getMode() string {
-  var mode string
-  match, _ := regexp.Match(`.*\.hdn$`,[]byte(FileName))
-  if match {
-    return "s"
-  }
-  fmt.Print("mode: ")
-  fmt.Fscan(os.Stdin, &mode)
-  if mode == "q" {os.Exit(1)}
-  if mode != "h" && mode != "s" {
-    fmt.Println("not a mode")
-    fmt.Println("type 'h' for hide, 's' for show or 'q' to quit")
-    mode = getMode()
-  }
-  return mode
-}
-
 func readFn() string {
   var filename string
   arg := os.Args[1:]