From fbab3513058c7556101de6ab234bbf9bc98eed44 Mon Sep 17 00:00:00 2001
From: Jack-Benny Persson <jack-benny@cyberinfo.se>
Date: Mon, 28 Jul 2014 11:45:09 +0200
Subject: [PATCH] Added check if article was found

---
 1stPara.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/1stPara.php b/1stPara.php
index 3872094..d78a24b 100755
--- a/1stPara.php
+++ b/1stPara.php
@@ -9,6 +9,13 @@ if (!isset($argv[1]))
 $url = $argv[1];
 $data = shell_exec("curl -s $url");
 preg_match("/\<p\>(.*)\<\/p\>/", $data, $match);
+
+if (!isset($match[1]))
+{
+    print "No Wikipedia article found at that URL\n";
+    exit(1);
+}
+
 $string = strip_tags($match[1]);
 print (wordwrap($string, 60, "\n") . "\n");