From 103cd6deb3870ea2750c14b78b6ce5fb27ec61c5 Mon Sep 17 00:00:00 2001
From: Haralan Dobrev <hkdobrev@gmail.com>
Date: Wed, 21 Jan 2015 23:36:05 +0200
Subject: [PATCH] Check if argument is a file

---
 parsedown | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/parsedown b/parsedown
index bbb1cde..156d1c2 100755
--- a/parsedown
+++ b/parsedown
@@ -6,9 +6,14 @@ require(dirname(__FILE__).'/Parsedown.php');
 // From a file
 if (isset($argv[1])) {
 
+	if ( ! is_file($argv[1])) {
+		printf('"%s" is not a file', $argv[1]);
+		exit(1);
+	}
+
 	if ( ! is_readable($argv[1])) {
 		printf('Count not read "%s"', $argv[1]);
-		exit(1);
+		exit(2);
 	}
 
 	$markdown = file_get_contents($argv[1]);