diff --git a/SSnR.py b/SSnR.py
old mode 100644
new mode 100755
index d45e6b9..5d47f65
--- a/SSnR.py
+++ b/SSnR.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 #
 #  SSnR.py
@@ -34,6 +34,8 @@ def main():
 	parser.add_argument('-e', '--regex', help='Regex', required=True)
 	parser.add_argument('-s', '--string', help='String', required=False)
 	parser.add_argument('-i', '--input', help='Input file', required=False, type=open)
+	parser.add_argument('-o', '--output', help='Output file', required=False,
+	                    type=argparse.FileType('w'))
 	parser.add_argument('-r', '--replace', help='Replace', required=False)
 	parser.add_argument('-m', '--print_nb_match', help='Print the number of match in replace',
 	                    required=False, action='store_true')
@@ -68,7 +70,11 @@ def main():
 
 	# Search or replace
 	if args["replace"] is not None:
-		replace(ex, string, args["replace"], args["print_nb_match"])
+		replace_string = replace(ex, string, args["replace"], args["print_nb_match"])
+		if args["output"] is not None:
+			args["output"].write(replace_string)
+		else:
+			print(replace_string)
 	else:
 		search(ex, string, is_file)
 	return 0
@@ -116,9 +122,9 @@ def replace(ex, string, replace_string, print_nb):
 		:param print_nb: Print the number of match
 	"""
 	res = ex.subn(replace_string, string)
-	print(res[0])
 	if print_nb:
 		print("Number of match: " + str(res[1]))
+	return res[0]
 
 def get_line_pos(string):
 	"""