diff --git a/WIFI_sniffer/cret_project/_zremote_cmd.txt b/WIFI_sniffer/cret_project/_zremote_cmd.txt
index b89f8ec..370a91c 100644
--- a/WIFI_sniffer/cret_project/_zremote_cmd.txt
+++ b/WIFI_sniffer/cret_project/_zremote_cmd.txt
@@ -134,6 +134,7 @@ telnet -rN $zIP $zport
 =node.heap()
 
 
-
+status, err = pcall(function () fonction_a_tester() end)  if status==false then print("Error: ",err) end
+status, err = pcall(function () toto() end)  if status==false then print("Error: ",err) end
 
 .
diff --git a/WIFI_sniffer/cret_project/dir.lua b/WIFI_sniffer/cret_project/dir.lua
index 8bf9414..1cd94bd 100644
--- a/WIFI_sniffer/cret_project/dir.lua
+++ b/WIFI_sniffer/cret_project/dir.lua
@@ -1,15 +1,28 @@
 -- fonction dir() pour afficher les fichiers dans la flash
-print("\n dir.lua   zf180826.1019   \n")
+print("\n dir.lua   zf191109.1719   \n")
+
+hash=nil
+function zhash(zstring)
+    local zhash_v = 0
+    for i = 1, string.len(zstring) do
+        zhash_v = zhash_v + string.byte(zstring, i) * i
+    end
+    return zhash_v
+end
+status, err = pcall(function () print(zhash("il était une fois trois petits cochons roses...")) end)  if status==false then print("Error: ",err) end
+
+
 
 function dir()
     print("\n-------------------------------")
     l=file.list() i=0
     for k,v in pairs(l) do
         i=i+v
-        print(k..string.rep(" ",19-string.len(k)).." : "..v.." bytes")
+        print(k..string.rep(" ",24-string.len(k)).." : "..v.." bytes")
     end
     print("-------------------------------")
     print('\nUsed: '..i..' bytes\nusage: dofile("file.lua")\n')
 end
+status, err = pcall(function () dir() end)  if status==false then print("Error: ",err) end
 
 dir()