From 8875c2cfcd54f1b3d3b436b81f1ba05928d69681 Mon Sep 17 00:00:00 2001
From: St33v <github@f3rr3t.com>
Date: Wed, 17 Feb 2021 13:49:00 +1100
Subject: warn if no .md file extension

---
 md.sh | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/md.sh b/md.sh
index d197c13..aa80483 100755
--- a/md.sh
+++ b/md.sh
@@ -4,11 +4,13 @@
 #
 # stolen from https://unix.stackexchange.com/questions/24931/how-to-make-firefox-read-stdin/24942
 
+# Check that we have a file to read
 if [ $# -ne 1 ]; then
     echo "Requires the name of one markdown file"
     exit 1
 fi
 
+# check dependencies
 if ! command -v marked &> /dev/null; then
     echo "Install 'marked' before running this script"
     exit 1
@@ -18,8 +20,11 @@ if ! command -v firefox &> /dev/null; then
     exit 1
 fi
 
-
-echo there were $# arguments
 mdFile=$1
+
+if [ ${mdFile: -3} != ".md" ]; then
+   echo "Works best with a markdown input file, but we'll try to parse it anyway"
+fi
+
 marked ${mdFile} | firefox "data:text/html;base64,$(base64 -w 0 <&0)"
 
-- 
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