wizmode wizshowuuid to view the game's NHUUID

include/extern.h

@@ -3889,6 +3889,7 @@ extern void wizcustom_callback(winid win, int glyphnum, char *id);
 extern int wiz_display_macros(void);
 extern int wiz_mon_diff(void);
 extern int wiz_objprobs(void);
+extern int wiz_show_nhuuid(void);
 #endif
 extern void sanity_check(void);
 

src/cmd.c

@@ -1989,6 +1989,8 @@ struct ext_func_tab extcmdlist[] = {
               wiz_rumor_check, IFBURIED | AUTOCOMPLETE | WIZMODECMD, NULL },
     { '\0',   "wizseenv", "show map locations' seen vectors",
               wiz_show_seenv, IFBURIED | AUTOCOMPLETE | WIZMODECMD, NULL },
+    { '\0', "wizshownhuuid", "show NHUUID for this game",
+              wiz_show_nhuuid, AUTOCOMPLETE | WIZMODECMD, NULL },
     { '\0',   "wizsmell", "smell monster",
               wiz_smell, IFBURIED | AUTOCOMPLETE | WIZMODECMD, NULL },
     { '\0',   "wiztelekinesis", "telekinesis",

src/wizcmds.c

@@ -1777,6 +1777,13 @@ wiz_display_macros(void)
     return ECMD_OK;
 }
 
+/* the #wizshownhuuid command */
+int
+wiz_show_nhuuid(void)
+{
+    pline("The NHUUID for this game is { %s }.", svn.nhuuid);
+}
+
 /* the #wizmondiff command */
 int
 wiz_mon_diff(void)