mark it::exec call safe, give better it::exec example

2 files changed, 2 insertions, 2 deletions

diff --git a/README b/README
index d7fe5a9..c68934c 100644
--- a/README
+++ b/README
@@ -166,7 +166,7 @@ Functions:
   it::error($info)                       -- print or mail error message
   it::fatal($info)                       -- print or mail error message, then exit
   it::bail($message)                     -- print message to stderr, exit with errcode
-  it::exec($command, $values)            -- execute command, return output
+  it::exec('command', $values)           -- execute command, return output
   it::getopt($usage)                     -- parse (or print) usage, return options, 
   it::gets()                             -- fetch next line from stdin or named arg
   it::imageconvert($params)              -- Convert image using ImageMagick convert
diff --git a/it_pipe.class b/it_pipe.class
index ac1b987..73ce75a 100644
--- a/it_pipe.class
+++ b/it_pipe.class
@@ -19,7 +19,7 @@ function __construct($p = array())
 	if (array_key_exists('data', $p))
 		$this->lines = is_array($p['data']) || $p['data'] === null ? (array)$p['data'] : explode("\n", rtrim($p['data'], "\n"));
 	else if (array_key_exists('cmd', $p))
-		$this->lines = strlen($data = it::exec($p['cmd'], $p['args'])) ? explode("\n", rtrim($data, "\n")) : array();
+		$this->lines = strlen($data = it::exec($p['cmd'], $p['args'])) ? explode("\n", rtrim($data, "\n")) : array(); # NOPHPLINT
 	else
 		foreach ((array)($p['fn'] ? $p['fn'] : "php://stdin") as $fn)
 			$this->lines = array_merge((array)$this->lines, ($t = it::file($fn, FILE_IGNORE_NEW_LINES)) === false ? array() : $t);