diff --git a/normalisename.py b/normalisename.py
index e232cd2..4bf1ea0 100755
--- a/normalisename.py
+++ b/normalisename.py
@@ -61,6 +61,11 @@ if __name__ == '__main__':
                         help='Specify a special character to disallow (it will removed).')
     parser.add_argument('--whitelist', '-w', type=str,
                         help='Overwrite default whitelist (format: whitespace separated string).')
+    mgroup = parser.add_mutually_exclusive_group()
+    mgroup.add_argument('--dryrun', '-n', action='store_true',
+                        help='Do not touch anything, just tell me what would change!')
+    mgroup.add_argument('--funky', '-f', action='store_true',
+                        help='List filenames with special characters')
     parser.add_argument('files', type=str, nargs='+',
                         help='File(s) to normalise the name of (relative or absolute path).')
     args = parser.parse_args()
@@ -78,5 +83,13 @@ if __name__ == '__main__':
     if args.allow: whitelist = whitelist.union(set(args.allow))
     if args.disallow: whitelist = whitelist.difference(set(args.disallow))
 
+    # define operations
+    listchanges = lambda a, b: print('{}{} -->    {}'.format(a, ' '*(60-len(a)), b))
+    listfunky = lambda a, b: print(b)
 
-    normalisename(rename, args.separator, whitelist).normalise(args.files)
+    operation = rename
+    if args.dryrun: operation = listchanges
+    elif args.funky: operation = listfunky
+
+
+    normalisename(operation, args.separator, whitelist).normalise(args.files)