Don't permit creation of duplicate boards.

1 files changed, 3 insertions, 0 deletions

diff --git a/telem.lua b/telem.lua
index 10dd4e6..3f08735 100755
--- a/telem.lua
+++ b/telem.lua
@@ -138,6 +138,9 @@ function do_board()
 	elseif string.len(board) == 0 then
 		print("New board cancelled.")
 		return
+	elseif board_names[board] ~= nil then
+		print("Board " .. board .. " already exists!")
+		return
 	end
 	io.write("Board topic? (Max 48 chars)")
 	local desc = io.read()