$NetBSD$

--- count_extensions.orig	2009-11-06 12:33:42.000000000 +0100
+++ count_extensions
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/env perl
 
 # Read from standard input a list of filenames, and
 # report a sorted list of extensions and filenames
