An announcement mod to display messages on join

announcement/depends.txt

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+formspeccer

announcement/init.lua

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+local filepath = minetest.get_worldpath() .. "/announcement.txt"
+local an_data = nil
+
+local fh,err = io.open(filepath,'rb') -- use binary in case of UTF ?
+
+if not err then
+	an_data = fh:read("*a")
+	fh.close()
+else
+	an_data = minetest.setting_get("motd") or ""
+end
+if an_data == "" then an_data = "<no message>" end
+
+local fsn = formspeccer:newform("announcement:billboard","20,10")
+formspeccer:add_textarea(fsn,{
+	xy="1,1",
+	wh="19,8",
+	name="announce",
+	label="Welcome!",
+	value=an_data,
+})
+
+formspeccer:add_button(fsn,{name="submit",label="OK",xy="9,8",wh="2,1"},true)
+
+minetest.register_on_joinplayer(function(player)
+	minetest.after(0.5,function(...)
+		formspeccer:show(player,fsn )
+		minetest.debug(formspeccer:to_string(fsn))
+	end)
+end)

announcement/mod.conf

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+name = announcement