From 57a154f994f21be1c78fb19d815116edd7eb4016 Mon Sep 17 00:00:00 2001
From: Urban Müller
Date: Thu, 10 Nov 2011 14:00:40 +0000
Subject: correctly handle empty output

---
 it_pipe.class | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'it_pipe.class')

diff --git a/it_pipe.class b/it_pipe.class
index bed5537..f9e64e2 100644
--- a/it_pipe.class
+++ b/it_pipe.class
@@ -15,7 +15,7 @@ function __construct($p = array())
 	if ($p['data'])
 		$this->lines = $p['data'];
 	else if ($p['cmd'])
-		$this->lines = explode("\n", rtrim(it::exec($p['cmd'], $p['args'])));
+		$this->lines = strlen($data = it::exec($p['cmd'], $p['args'])) ? explode("\n", rtrim($data)) : array();
 	else
 		foreach ((array)($p['fn'] ? $p['fn'] : "php://stdin") as $fn)
 			$this->lines = array_merge((array)$this->lines, file($fn, FILE_IGNORE_NEW_LINES)); 
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