diff --git a/functions.py b/functions.py
index 4c6b438..5414223 100644
--- a/functions.py
+++ b/functions.py
@@ -3,6 +3,12 @@ import subprocess
 from datetime import datetime
 
 
+def remove_nonwords(imgname):
+    filename, ext = os.path.splitext(imgname)  # split into filename & extension
+    filename = re.sub(r'\W', '', filename)  # remove nonwoders from filename
+    return f'{filename}{ext}'  # join filename & ext'
+
+
 def pandoc(pwd, content, format_in, format_out):
     # print('HTML content file:', wiki_content_f.name)
 
@@ -95,6 +101,7 @@ def clean_dir(dirfullpath):
             os.remove(f)
 
 def print_colormsg(msg, level):
+    color_cmd = ''
     if level == 'fail':
         color_cmd = Colors.FAIL
     elif level == 'warning':