diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 Usage
 -----
 
-Cgrep 6.6.30. Usage: cgrep [OPTION] [PATTERN] files...
+Cgrep 6.6.31. Usage: cgrep [OPTION] [PATTERN] files...
 
 cgrep [OPTIONS] [ITEM]
 
diff --git a/cgrep.cabal b/cgrep.cabal
--- a/cgrep.cabal
+++ b/cgrep.cabal
@@ -1,6 +1,6 @@
 Name:                cgrep
 Description:         Cgrep: a context-aware grep for source codes
-Version:             6.6.30
+Version:             6.6.32 
 Synopsis:            Command line tool
 Homepage:            http://awgn.github.io/cgrep/
 License:             GPL-2
diff --git a/src/CGrep/Filter.hs b/src/CGrep/Filter.hs
--- a/src/CGrep/Filter.hs
+++ b/src/CGrep/Filter.hs
@@ -219,6 +219,7 @@
     ,   (Latex,      mkFilterFunction [("%", "\n")]  [("\"", "\"")] )
     ,   (Lua,        mkFilterFunction [("--[[","--]]"), ("--", "\n")]    [("'", "'"), ("\"", "\""), ("[===[", "]===]"), ("[==[", "]==]"), ("[=[", "]=]"), ("[[", "]]") ] )
     ,   (Make,       mkFilterFunction [("#", "\n")]  [("'", "'"), ("\"", "\"")] )
+    ,   (Nmap,       mkFilterFunction [("--", "\n"), ("[[","]]")] [("'", "'"), ("\"", "\"")])
     ,   (OCaml,      mkFilterFunction [("(*", "*)")] [("\"", "\"")] )
     ,   (ObjectiveC, mkFilterFunction [("/*", "*/"), ("//", "\n")]  [("\"", "\"")] )
     ,   (PHP,        mkFilterFunction [("/*", "*/"), ("//", "\n"), ("#", "\n") ]  [("'", "'"), ("\"", "\"")] )
diff --git a/src/CGrep/Lang.hs b/src/CGrep/Lang.hs
--- a/src/CGrep/Lang.hs
+++ b/src/CGrep/Lang.hs
@@ -37,7 +37,7 @@
 
 data Lang = Assembly | Awk  | C | CMake | Cabal | Chapel | Clojure | Coffee | Conf | Cpp  | Csharp | Css |
             D | Dart | Elixir | Erlang | Fortran | Fsharp | Go | Haskell | Html | Idris | Java | Javascript | Kotlin |
-            Latex | Lua | Make | OCaml | ObjectiveC | PHP | Perl | Python | Ruby | Scala | Shell | Swift | Tcl |
+            Latex | Lua | Make | Nmap | OCaml | ObjectiveC | PHP | Perl | Python | Ruby | Scala | Shell | Swift | Tcl |
             Text | VHDL | Verilog | Vim | Yaml
                 deriving (Read, Show, Eq, Ord, Bounded)
 
@@ -90,6 +90,7 @@
     ,  (Latex,     [Ext "latex", Ext "tex"])
     ,  (Lua,       [Ext "lua"])
     ,  (Make,      [Name "Makefile", Name "makefile", Name "GNUmakefile", Ext "mk", Ext  "mak"])
+    ,  (Nmap,      [Ext "nse"])
     ,  (OCaml ,    [Ext "ml", Ext "mli"])
     ,  (ObjectiveC,[Ext "m", Ext "mi"])
     ,  (PHP,       [Ext "php", Ext "php3", Ext "php4", Ext "php5",Ext "phtml"])
diff --git a/src/Main.hs b/src/Main.hs
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -237,7 +237,6 @@
 
 main :: IO ()
 main = do
-
     -- check whether this is a terminal device
 
     isTermIn  <- hIsTerminalDevice stdin
@@ -245,7 +244,7 @@
 
     -- read Cgrep config options
 
-    (conf, confpath)  <- getConfig
+    (conf, _)  <- getConfig
 
     -- read command-line options
 
@@ -288,8 +287,8 @@
 
     -- display the configuration in use
 
-    when (isJust confpath) $
-      hPutStrLn stderr $ showBold opts ("Using '" ++ fromJust confpath ++ "' configuration file...")
+    -- when (isJust confpath) $
+    --    hPutStrLn stderr $ showBold opts ("Using '" ++ fromJust confpath ++ "' configuration file...")
 
     -- load files to parse: