diff --git a/bin/taskrunner.php b/bin/taskrunner.php
index 0a3e861..733365d 100644
--- a/bin/taskrunner.php
+++ b/bin/taskrunner.php
@@ -46,7 +46,7 @@ if (!is_file($phpPath))
 while (1) {
 
     // Run the scheduler script
-    system("$phpPath scheduler.php");
+    shell_exec("$phpPath scheduler.php");
 
     sleep(10); // Run every 10 seconds
 
diff --git a/bin/taskrunner.sh b/bin/taskrunner.sh
new file mode 100644
index 0000000..c8abe6c
--- /dev/null
+++ b/bin/taskrunner.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+"@@BITROCK_INSTALLDIR@@/php/bin/php" "@@BITROCK_INSTALLDIR@@/knowledgeTree/bin/taskrunner.php"
+
diff --git a/search2/search/expr.inc.php b/search2/search/expr.inc.php
index 4d6a6f8..0cf55d9 100644
--- a/search2/search/expr.inc.php
+++ b/search2/search/expr.inc.php
@@ -554,6 +554,10 @@ class ValueExpr extends Expr
 
         switch($op)
         {
+            case ExprOp::LIKE:
+                $sql = "$fieldname LIKE '$val'";
+                if ($not) $sql = "not ($sql)";
+                break;
             case ExprOp::CONTAINS:
                 $sql = "$fieldname LIKE '%$val%'";
                 if ($not) $sql = "not ($sql)";