From 955ca53ef9a72be7e7f11df3c61a82339864fc4e Mon Sep 17 00:00:00 2001
From: Och Noe <och_noe@forksworld.de>
Date: Fri, 19 Jun 2020 19:18:27 +0200
Subject: new command:  .wp_grep  (written by erstazi, THANKS)

---
 README.md |  2 ++
 init.lua  | 23 +++++++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/README.md b/README.md
index ad3b0b5..ee7e1a1 100644
--- a/README.md
+++ b/README.md
@@ -43,3 +43,5 @@ usage
 * .wp_search: searches for saved waypoints near te current location with DELTA=10
     
 * .wp_shift AXIS DISTANCE: moves you on the given axis the given distance
+
+* .wp_grep NAME:  search for NAME in the waypoint names
diff --git a/init.lua b/init.lua
index 436b210..c400bf8 100644
--- a/init.lua
+++ b/init.lua
@@ -324,3 +324,26 @@ minetest.register_chatcommand('wp_shift', {
   )
 
         
+
+--  wp_grep    written by erstazi (player at Linux-Forks.de )
+minetest.register_chatcommand('wp_grep', {
+    params = '<name>',
+    description = 'lists waypoints',
+    func = safe(function(param)
+        local wpname = param
+        local count = 0
+        for name, point in pairsByKeys(waypoints, lc_cmp) do
+            if string.find(name, wpname) then
+                count = count + 1
+                minetest.display_chat_message(
+                    ('%s -> %s'):format(name, tostring_point(point))
+                )
+            end
+        end
+
+        if count == 0 then
+            minetest.display_chat_message(('waypoint "%s" not found.'):format(wpname))
+        end
+    end),
+})
+
-- 
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