diff --git a/src/os_unix.c b/src/os_unix.c
index 45c6b44..c5a54e4 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -6701,14 +6701,17 @@
 #define STYLE_GLOB	1	// use "glob", for csh
 #define STYLE_VIMGLOB	2	// use "vimglob", for Posix sh
 #define STYLE_PRINT	3	// use "print -N", for zsh
-#define STYLE_BT	4	// `cmd` expansion, execute the pattern
-				// directly
+#define STYLE_BT	4	// `cmd` expansion, execute the pattern directly
+#define STYLE_GLOBSTAR	5	// use extended shell glob for bash (this uses extended
+				// globbing functionality using globstar, needs bash > 4)
     int		shell_style = STYLE_ECHO;
     int		check_spaces;
     static int	did_find_nul = FALSE;
     int		ampersand = FALSE;
 		// vimglob() function to define for Posix shell
     static char *sh_vimglob_func = "vimglob() { while [ $# -ge 1 ]; do echo \"$1\"; shift; done }; vimglob >";
+		// vimglob() function with globstar setting enabled, only for bash >= 4.X
+    static char *sh_globstar_opt = "[[ ${BASH_VERSINFO[0]} -ge 4 ]] && shopt -s globstar; ";
 
     *num_file = 0;	// default: no files found
     *file = NULL;
@@ -6755,6 +6758,8 @@
      *	    If we use *zsh, "print -N" will work better than "glob".
      * STYLE_VIMGLOB:	NL separated
      *	    If we use *sh*, we define "vimglob()".
+     * STYLE_GLOBSTAR:	NL separated
+     *	    If we use *bash*, we define "vimglob() and enable globstar option".
      * STYLE_ECHO:	space separated.
      *	    A shell we don't know, stay safe and use "echo".
      */
@@ -6769,9 +6774,13 @@
 	else if (STRCMP(p_sh + len - 3, "zsh") == 0)
 	    shell_style = STYLE_PRINT;
     }
-    if (shell_style == STYLE_ECHO && strstr((char *)gettail(p_sh),
-								"sh") != NULL)
-	shell_style = STYLE_VIMGLOB;
+    if (shell_style == STYLE_ECHO)
+    {
+       if (strstr((char *)gettail(p_sh), "bash") != NULL)
+	    shell_style = STYLE_GLOBSTAR;
+       else if (strstr((char *)gettail(p_sh), "sh") != NULL)
+	    shell_style = STYLE_VIMGLOB;
+    }
 
     // Compute the length of the command.  We need 2 extra bytes: for the
     // optional '&' and for the NUL.
@@ -6779,6 +6788,9 @@
     len = STRLEN(tempname) + 29;
     if (shell_style == STYLE_VIMGLOB)
 	len += STRLEN(sh_vimglob_func);
+    else if (shell_style == STYLE_GLOBSTAR)
+	len += STRLEN(sh_vimglob_func)
+	     + STRLEN(sh_globstar_opt);
 
     for (i = 0; i < num_pat; ++i)
     {
@@ -6847,6 +6859,11 @@
 	    STRCAT(command, "print -N >");
 	else if (shell_style == STYLE_VIMGLOB)
 	    STRCAT(command, sh_vimglob_func);
+	else if (shell_style == STYLE_GLOBSTAR)
+	{
+	    STRCAT(command, sh_globstar_opt);
+	    STRCAT(command, sh_vimglob_func);
+	}
 	else
 	    STRCAT(command, "echo >");
     }
@@ -7031,7 +7048,9 @@
 	}
     }
     // file names are separated with NL
-    else if (shell_style == STYLE_BT || shell_style == STYLE_VIMGLOB)
+    else if (shell_style == STYLE_BT ||
+	    shell_style == STYLE_VIMGLOB ||
+	    shell_style == STYLE_GLOBSTAR)
     {
 	buffer[len] = NUL;		// make sure the buffer ends in NUL
 	p = buffer;
@@ -7112,7 +7131,7 @@
 	(*file)[i] = p;
 	// Space or NL separates
 	if (shell_style == STYLE_ECHO || shell_style == STYLE_BT
-					      || shell_style == STYLE_VIMGLOB)
+		|| shell_style == STYLE_VIMGLOB || shell_style == STYLE_GLOBSTAR)
 	{
 	    while (!(shell_style == STYLE_ECHO && *p == ' ')
 						   && *p != '\n' && *p != NUL)