Gracefully handle empty lines.

1 files changed, 10 insertions, 6 deletions

diff --git a/telem.lua b/telem.lua
index bb68f7c..b73c275 100755
--- a/telem.lua
+++ b/telem.lua
@@ -279,11 +279,13 @@ function do_type()
 		-- Show prompt and read one char
 		io.write("[f]irst, [n]ext, [p]rev, [l]last, [r]eply, [d]one > ")
 		c = getchar()
-		io.write("\n")
+		if c ~= "\n" then io.write("\n") end
 		-- Dispatch to sub-command
-		if type_dispatch[c] == nil then
+		if c == "\n" then
+			-- pass
+		elseif type_dispatch[c] == nil then
 			print("Invalid command!")
-		else	
+		elseif c ~= "\n" then
 			type_dispatch[c]()
 		end
 	until c == "d"
@@ -357,11 +359,13 @@ repeat
 	-- Show prompt and read 1 char from keyboard
 	io.write("["..current_board.."] COMMAND :> ")
 	c = getchar()
-	io.write("\n")
+	if c ~= "\n" then io.write("\n") end
 	-- Use char as index into dispatch table
-	if dispatch[c] == nil then
+	if c == "\n" then
+		-- pass
+	elseif dispatch[c] == nil then
 		print("Unrecognised command, hit `h` for help.")
-	else	
+	else
 		dispatch[c]()
 	end
 until c == "q"