Fix previous sanity check

lug-helper.sh

@@ -509,7 +509,9 @@ display_dirs() {
     fi
 
     # Lutris runners
-    dirs_list+="\n\nLutris Runners:\n$runners_dir"
+    if [ -d "$runners_dir" ]; then
+        dirs_list+="\n\nLutris Runners:\n$runners_dir"
+    fi
 
     
     message info "These directories are currently being used by this Helper and Star Citizen\n${dirs_list[@]}"
@@ -1341,8 +1343,9 @@ Usage: lug-helper <options>
   -s, --delete-shaders      Delete Star Citizen shaders directory
   -c, --delete-dxvk-cache   Delete Star Citizen dxvk cache file
   -t, --target=[live|ptu]   Target LIVE or PTU (default live)
-  -g, --use-gui=[yes|no]    Use Zenity GUI (default yes)
+  -g, --use-gui=[yes|no]    Use Zenity GUI if available (default yes)
   -r, --get-referral        Get a random LUG member's Star Citizen referral code
+  -d, --show-directories    Show all Star Citizen and LUG Helper directories
   -x, --reset-helper        Delete saved lug-helper configs
 "
                 exit 0
@@ -1391,6 +1394,9 @@ Usage: lug-helper <options>
             --get-referral | -r )
                 cargs+=("referral_randomizer")
                 ;;
+            --show-directories | -d )
+                cargs+=("display_dirs")
+                ;;
             --reset-helper | -x )
                 cargs+=("reset_helper")
                 ;;