diff --git a/onioningestor/operators/__init__.py b/onioningestor/operators/__init__.py
index 061dcdb..7bb083a 100644
--- a/onioningestor/operators/__init__.py
+++ b/onioningestor/operators/__init__.py
@@ -1,7 +1,10 @@
 import re
 import sys
 import json
+from itertools import islice
 from datetime import datetime as dt
+from concurrent.futures import ThreadPoolExecutor
+
 
 class Operator:
     """Base class for all Operator plugins.
@@ -72,18 +75,18 @@ class Operator:
         if type == 'URL':
             blacklist = self.blacklist.findall(response['hiddenService'])
         elif type == 'HTML':
-            response['simple-html'].pop('status')
-            response['simple-html']['status'] = 'blocked'
             blacklist = self.blacklist.findall(response['simple-html']['HTML'])
         if blacklist:
+            response['simple-html'].pop('status')
+            response['simple-html']['status'] = 'blocked'
+            response['blacklist'] = list(set(blacklist))
             self.es.update(db['_id'], response)
             return False
         return True
 
-
-    def process(self, onions):
-        """Process all applicable onions."""
+    def collect(self, onions):
         for onion in onions:
+            self.logger.info(f'thread function processing {onion}')
             # Add link to database 
             db = self.es.save({
                 'hiddenService':onion.url,
@@ -96,3 +99,18 @@ class Operator:
                 # Get data for current link
                 self.handle_onion(db, onion.url)
 
+    def iter_batches(self, data, batch_size):
+        data = iter(data)
+        while True:
+            batch = list(islice(data, batch_size))
+            if len(batch) == 0:
+                break
+            yield batch
+
+    def process(self, onions):
+        """Process all applicable onions."""
+        #print(onions)
+        with ThreadPoolExecutor(max_workers=10) as executor:
+            collect_tasks = [executor.submit(self.collect, files_batch) for files_batch in self.iter_batches(onions, batch_size=10)]
+            for tasks in collect_tasks:
+                self.logger.info(tasks.result())
diff --git a/onioningestor/operators/html.py b/onioningestor/operators/html.py
index d0a2064..8ccf821 100644
--- a/onioningestor/operators/html.py
+++ b/onioningestor/operators/html.py
@@ -78,6 +78,10 @@ class Plugin(Operator):
                         result = content.text
                         if result:
                             html = BeautifulSoup(result,features="lxml")
+                            # testing hardcorded filepath
+                            with open("/home/tony/Projects/OnionScraper_v2/onion_master_list.txt", "w") as fp:
+                                for onion in re.findall('([a-z2-7]{16,56}\.onion)',result):
+                                    fp.write("%s\n" % onion)
                             if html:
                                 index = {
                                         'HTML':result,
@@ -114,5 +118,5 @@ class Plugin(Operator):
     def handle_onion(self, db, onion):
         content = self.run_sessions(onion)
         if content[self.plugin_name]['status'] == 'success':
-            if self._onion_is_allowed(db, content):
+            if self._onion_is_allowed(content, db, 'HTML'):
                 self.es.update(db['_id'], content)
diff --git a/onioningestor/sources/simplefile.py b/onioningestor/sources/simplefile.py
index f679aeb..64c084f 100644
--- a/onioningestor/sources/simplefile.py
+++ b/onioningestor/sources/simplefile.py
@@ -7,6 +7,7 @@ __version__ = "1.0.0"
 __maintainer__ = "Daniele Perera"
 __status__ = "Development"
 
+import os
 import requests
 from pathlib import Path
 
@@ -23,10 +24,14 @@ class Plugin(Source):
 
 
     def run(self):
+        items = []
         filepath = Path(__file__).parents[2]/self.filename
         with open(filepath, 'r') as fp:
             lines = fp.read().splitlines()
-        for onion in lines:
-            yield self.onion(url=onion,source='simple-file',type='domain')
+        # just testing
         os.remove(self.filename)
+        for onion in lines:
+            items.append(self.onion(url=onion,source='simple-file',type='domain'))
+            #yield self.onion(url=onion,source='simple-file',type='domain')
+        return items