From babe54bf97091441353f2219e7846afd0e0d9f16 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Mon, 27 Aug 2012 11:11:30 -0400
Subject: [PATCH] Add missing file

---
 perl/lib/Nix/Utils.pm | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 perl/lib/Nix/Utils.pm

diff --git a/perl/lib/Nix/Utils.pm b/perl/lib/Nix/Utils.pm
new file mode 100644
index 000000000..943b8dd4a
--- /dev/null
+++ b/perl/lib/Nix/Utils.pm
@@ -0,0 +1,8 @@
+package Nix::Utils;
+
+$urlRE = "(?: [a-zA-Z][a-zA-Z0-9\+\-\.]*\:[a-zA-Z0-9\%\/\?\:\@\&\=\+\$\,\-\_\.\!\~\*]+ )";
+
+sub checkURL {
+    my ($url) = @_;
+    die "invalid URL ‘$url’\n" unless $url =~ /^ $urlRE $ /x;
+}