hdn file type added

main.go

@@ -13,13 +13,14 @@ import (
   "regexp"
   "strings"
   "syscall"
-//  "github.com/h2non/filetype"
+  "github.com/h2non/filetype"
   "golang.org/x/crypto/ssh/terminal"
 )
 
 var debug bool = true
 var FileName string
 var HDNFhead []byte = []byte("HDNF")
+var hdnfType = filetype.NewType("hdn","application/hns")
 
 func checkErr(err error) {
   if err != nil {
@@ -137,14 +138,26 @@ func headerRemove(data []byte) []byte {
   return bytes.TrimPrefix(data,HDNFhead)
 }
 
+func hdnfMatcher(buf []byte) bool {
+  return len(buf) > 1 && buf[0] == 0x48 && buf[1] == 0x44 && buf[2] == 0x4e && buf[3] == 0x46
+}
+
 func main() {
   FileName = readFn()
+  filetype.AddMatcher(hdnfType, hdnfMatcher)
   fn := FileName
   fmt.Println(fn)
   //data := file2data(fn)
   //fType, _ := filetype.Get(data)
   //fmt.Println(fType.Extension)
   //os.Exit(0)
+  buf := file2data(FileName)
+  if filetype.IsType(buf,hdnfType) {
+    fmt.Println("this is an hidden file")
+  } else {
+    fmt.Println("not hidden")
+  }
+  os.Exit(0)
   mode := getMode()
   switch mode {
     case "h":