also add "use warnings" to installed module

diff --git a/my/filter b/my/filter
index cf94d9f..b53e3fe 100644 (file)
--- a/my/filter
+++ b/my/filter
@@ -1,2 +1,2 @@
-print "use strict;\n#line 1\n";
+print "use strict;\nuse warnings;\n#line 1\n";
 while (<STDIN>) { print }