From 947d397673e4e150f6553851bded1c0363df5ae6 Mon Sep 17 00:00:00 2001
From: dupie <andwag@outlook.com>
Date: Wed, 8 Jul 2015 22:56:50 -0400
Subject: [PATCH] fixed btc

---
 README.md       | 2 +-
 plugins/btc.lua | 9 ++++-----
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 69fbc65..62114f7 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # otouto
 
-The plugin-wielding, multi-purpose Telegram chat bot.
+The plugin-wielding, multi-purpose Telegram bot.
 
 Public bot runs on [@mokubot](http://telegram.me/mokubot).
 
diff --git a/plugins/btc.lua b/plugins/btc.lua
index c75ce27..c70233a 100644
--- a/plugins/btc.lua
+++ b/plugins/btc.lua
@@ -24,11 +24,10 @@ function PLUGIN.action(msg)
 
 	local jdat = JSON.decode(jstr)
 
-	if string.len(msg.text) > 6 then
-		arg1 = string.upper(string.sub(msg.text, 6, 8))
-	end
-	if string.len(msg.text) > 9 then
-		arg2 = string.sub(msg.text, 10)
+	local input = get_input(msg.text)
+	if input then
+		arg1 = string.upper(string.sub(input, 1, 3))
+		arg2 = string.sub(input, 5)
 		if not tonumber(arg2) then
 			return send_msg(msg, 'Invalid argument.')
 		end