From cf91538b181ae7c31bef9124a75039ff05ef0ed3 Mon Sep 17 00:00:00 2001
From: Hsieh Chin Fan <typebrook@gmail.com>
Date: Tue, 26 Jul 2022 11:28:05 +0800
Subject: Update

---
 tools/markdown/reveal | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'tools/markdown/reveal')

diff --git a/tools/markdown/reveal b/tools/markdown/reveal
index f0d374b..4873517 100755
--- a/tools/markdown/reveal
+++ b/tools/markdown/reveal
@@ -1,5 +1,10 @@
 #! /bin/bash
 
+if [[ ! $1 =~ '.md' ]]; then
+  echo markdown file is not given >&2
+  exit 1
+fi
+
 # Available themes:
 # beige black blood league moon night serif simple sky solarized white
 THEME=${THEME:-serif}
-- 
cgit v1.2.3-70-g09d2