X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/059ec3d9952740285fb1ebf47961b8aca2eb1b4a..f2738aab2d72569b6d47b788099f6ebab701b2b2:/src/src/transport-filter.src

diff --git a/src/src/transport-filter.src b/src/src/transport-filter.src
index 3a82c7639..1343f89d4 100644
--- a/src/src/transport-filter.src
+++ b/src/src/transport-filter.src
@@ -1,5 +1,9 @@
-#! PERL_COMMAND -w
-# $Cambridge: exim/src/src/transport-filter.src,v 1.1 2004/10/07 10:39:01 ph10 Exp $
+#! PERL_COMMAND
+
+# Copyright (c) The Exim Maintainers 2023
+# See the file NOTICE for conditions of use and distribution.
+# SPDX-License-Identifier: GPL-2.0-or-later
+
 
 # This is a Perl script to demonstrate the possibilities of on-the-fly
 # delivery filtering in Exim. It is presented with a message on its standard
@@ -12,6 +16,16 @@
 # Philip Hazel, May 1997
 #############################################################################
 
+use warnings;
+BEGIN { pop @INC if $INC[-1] eq '.' };
+use File::Basename;
+
+if ($ARGV[0] eq '--version' || $ARGV[0] eq '-v') {
+    print basename($0) . ": $0\n",
+        "build: EXIM_RELEASE_VERSIONEXIM_VARIANT_VERSION\n",
+        "perl(runtime): $]\n";
+        exit 0;
+}
 
 # If the filter is called with any arguments, insert them into the message
 # as X-Arg headers, just to verify what they are.