1 files changed, 12 insertions, 9 deletions
diff --git a/src/validators/fqdn b/src/validators/fqdn
index 9f4ed764f..347ffda42 100755
--- a/src/validators/fqdn
+++ b/src/validators/fqdn
@@ -14,14 +14,17 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from re import match
-from sys import argv,exit
+import re
+import sys
 
-if len(argv) == 2:
-  # pattern copied from: https://www.regextester.com/103452
-  pattern = "(?=^.{4,253}$)(^((?!-)[a-zA-Z0-9-]{0,62}[a-zA-Z0-9]\.)+[a-zA-Z]{2,63}$)"
-  if match(pattern, argv[1]):
-    exit(0)
-  else:
-    exit(1)
 
+# pattern copied from: https://www.regextester.com/103452
+pattern = "(?=^.{4,253}$)(^((?!-)[a-zA-Z0-9-]{0,62}[a-zA-Z0-9]\.)+[a-zA-Z]{2,63}$)"
+
+
+if __name__ == '__main__':
+    if len(sys.argv) != 2:
+        sys.exit(1)
+    if not re.match(pattern, sys.argv[1]):
+        sys.exit(1)
+    sys.exit(0)