diff --git a/bin/schedulerTask.sh b/bin/schedulerTask.sh
new file mode 100644
index 0000000..0c1242a
--- /dev/null
+++ b/bin/schedulerTask.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# SETUP PATH TO FIND PHP
+PATH=$PATH:../../php/bin:../../php:
+
+# WORK OUT DIRECTORIES
+USER_DIR=`pwd`
+SCRIPT_DIR=$USER_DIR/`dirname $0`
+PHP_SCRIPT_DIR=$SCRIPT_DIR/
+
+# EXECUTE SCRIPT IN THE SCRIPT DIRECTORY
+cd $PHP_SCRIPT_DIR
+php -Cq scheduler.php
\ No newline at end of file
diff --git a/search2/indexing/extractors/PDFExtractor.inc.php b/search2/indexing/extractors/PDFExtractor.inc.php
index fdc3e5e..b05e9e7 100644
--- a/search2/indexing/extractors/PDFExtractor.inc.php
+++ b/search2/indexing/extractors/PDFExtractor.inc.php
@@ -4,7 +4,7 @@ class PDFExtractor extends ApplicationExtractor
 {
 	public function __construct()
 	{
-		parent::__construct('extractors','pdftotext','pdftotext',_kt('PDF Text Extractor'),'-nopgbrk -enc UTF-8 {source} {target}');
+		parent::__construct('externalBinary','pdftotext','pdftotext',_kt('PDF Text Extractor'),'-nopgbrk -enc UTF-8 {source} {target}');
 	}
 
 	public function getSupportedMimeTypes()
diff --git a/search2/indexing/extractors/PSExtractor.inc.php b/search2/indexing/extractors/PSExtractor.inc.php
index f63824c..5fca0c8 100644
--- a/search2/indexing/extractors/PSExtractor.inc.php
+++ b/search2/indexing/extractors/PSExtractor.inc.php
@@ -4,7 +4,7 @@ class PSExtractor extends ApplicationExtractor
 {
 	public function __construct()
 	{
-		parent::__construct('extractors','pstotext','pstotext',_kt('PostScript Text Extractor'),'-nopgbrk -enc UTF-8 {source} {target}');
+		parent::__construct('externalBinary','pstotext','pstotext',_kt('PostScript Text Extractor'),'-nopgbrk -enc UTF-8 {source} {target}');
 	}
 
 	public function getSupportedMimeTypes()