diff -r 56308e61381c -r 846026b8422b class.Address_Book_File.php
--- a/class.Address_Book_File.php	Wed Oct 26 20:56:15 2011 +0200
+++ b/class.Address_Book_File.php	Wed Oct 26 21:44:35 2011 +0200
@@ -1,5 +1,5 @@
 <?
-require "interface.Address_Book.php";
+require_once "interface.Address_Book.php";
 
 class Address_Book_File implements Address_Book {
 	const RS = "\n";
@@ -37,21 +37,21 @@
 		$new = array();
 		foreach($fields as $key) {
 			if (!isset($entry[$key])) return;
-			$new[$key] = $entry[$key];
-			trim($new[$key]);
-			preg_replace('/['.self::RS.self::FS.' ]+/', ' ', $new[$key]);
+			$new[$key] = trim($entry[$key]);
+			$new[$key] = preg_replace('/['.self::RS.self::FS.' ]+/', ' ', $new[$key]);
 			if (empty($new[$key])) return;
 		}
 
 		flock($this->fh, LOCK_EX);
 		fputs($this->fh, join(self::FS, $new) . self::RS);
 		flock($this->fh, LOCK_UN);
-		header("Location: $_SERVER[PHP_SELF]?action=add");
-		exit;
 	}
 
 	public function search_entries($pattern) {
+		$pattern = trim($pattern);
+		if (empty($pattern)) return array();
 		fseek($this->fh, 0, SEEK_SET);
+		$pattern = preg_replace('|/|', '\/', $pattern);
 		$entries = array();
 		while ($line = stream_get_line($this->fh, 0, self::RS)) {
 			if ($line === FALSE) break;